Application of fingers with light pressure to the surface of the body to determine consistence of parts beneath in physical diagnosis; includes palpation for determining the outlines of organs.
Enlargement of the THYROID GLAND that may increase from about 20 grams to hundreds of grams in human adults. Goiter is observed in individuals with normal thyroid function (euthyroidism), thyroid deficiency (HYPOTHYROIDISM), or hormone overproduction (HYPERTHYROIDISM). Goiter may be congenital or acquired, sporadic or endemic (GOITER, ENDEMIC).
Systematic and thorough inspection of the patient for physical signs of disease or abnormality.
A nursing specialty involving nursing care given to the pregnant patient before, after, or during childbirth.
A variety of techniques used to help individuals utilize their voice for various purposes and with minimal use of muscle energy.
A competitive team sport played on a rectangular court having a raised basket at each end.
A variety of conditions affecting the anatomic and functional characteristics of the temporomandibular joint. Factors contributing to the complexity of temporomandibular diseases are its relation to dentition and mastication and the symptomatic effects in other areas which account for referred pain to the joint and the difficulties in applying traditional diagnostic procedures to temporomandibular joint pathology where tissue is rarely obtained and x-rays are often inadequate or nonspecific. Common diseases are developmental abnormalities, trauma, subluxation, luxation, arthritis, and neoplasia. (From Thoma's Oral Pathology, 6th ed, pp577-600)
The rhythmical expansion and contraction of an ARTERY produced by waves of pressure caused by the ejection of BLOOD from the left ventricle of the HEART as it contracts.
The visualization of deep structures of the body by recording the reflections or echoes of ultrasonic pulses directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz.
Cyst due to the occlusion of the duct of a follicle or small gland.
The largest of three bones that make up each half of the pelvic girdle.
A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.
Discrete spots in taut bands of muscle that produce local and referred pain when muscle bands are compressed.
The failure by the observer to measure or identify a phenomenon accurately, which results in an error. Sources for this may be due to the observer's missing an abnormality, or to faulty technique resulting in incorrect test measurement, or to misinterpretation of the data. Two varieties are inter-observer variation (the amount observers vary from one another when reporting on the same material) and intra-observer variation (the amount one observer varies between observations when reporting more than once on the same material).
Pain in the facial region including orofacial pain and craniofacial pain. Associated conditions include local inflammatory and neoplastic disorders and neuralgic syndromes involving the trigeminal, facial, and glossopharyngeal nerves. Conditions which feature recurrent or persistent facial pain as the primary manifestation of disease are referred to as FACIAL PAIN SYNDROMES.
Musculoskeletal manipulation based on the principles of OSTEOPATHIC MEDICINE developed in 1874 by Dr Andrew Taylor Still.
The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.
A type of fibrous joint between bones of the head.
A benign neoplasm composed of glandular and fibrous tissues, with a relatively large proportion of glands. (Stedman, 25th ed)
A form of IODINE deficiency disorders characterized by an enlargement of the THYROID GLAND in a significantly large fraction of a POPULATION GROUP. Endemic goiter is common in mountainous and iodine-deficient areas of the world where the DIET contains insufficient amount of iodine.
Soft tissue formed mainly by the pelvic diaphragm, which is composed of the two levator ani and two coccygeus muscles. The pelvic diaphragm lies just below the pelvic aperture (outlet) and separates the pelvic cavity from the PERINEUM. It extends between the PUBIC BONE anteriorly and the COCCYX posteriorly.
Tests to determine whether or not an individual is pregnant.
Idiopathic painful nonsuppurative swellings of one or more costal cartilages, especially of the second rib. The anterior chest pain may mimic that of coronary artery disease. (Dorland, 27th ed.)
In females, the period that is shortly after giving birth (PARTURITION).
Act of striking a part with short, sharp blows as an aid in diagnosing the condition beneath the sound obtained.
An occupational discipline founded by D.D. Palmer in the 1890's based on the relationship of the spine to health and disease.
The potential of the FETUS to survive outside the UTERUS after birth, natural or induced. Fetal viability depends largely on the FETAL ORGAN MATURITY, and environmental conditions.
The neck muscles consist of the platysma, splenius cervicis, sternocleidomastoid(eus), longus colli, the anterior, medius, and posterior scalenes, digastric(us), stylohyoid(eus), mylohyoid(eus), geniohyoid(eus), sternohyoid(eus), omohyoid(eus), sternothyroid(eus), and thyrohyoid(eus).
Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed)
A syndrome that is characterized by the triad of severe PEPTIC ULCER, hypersecretion of GASTRIC ACID, and GASTRIN-producing tumors of the PANCREAS or other tissue (GASTRINOMA). This syndrome may be sporadic or be associated with MULTIPLE ENDOCRINE NEOPLASIA TYPE 1.
The process of bearing developing young (EMBRYOS or FETUSES) in utero in non-human mammals, beginning from FERTILIZATION to BIRTH.

Diagnostic approach to lymph node enlargement. (1/422)

BACKGROUND AND OBJECTIVE: How to reach the correct diagnosis of a lymph node enlargement is still a problem which strongly challenges the knowledge and experience of the clinician. Organized and specifically oriented literature on the right sequential steps and the logical criteria that should guide this diagnostic approach is still lacking. METHODS: The authors have tried to exploit available knowledge and their personal experience by correlating a large body of information regarding size, physical characteristics, anatomical location of enlarged lymph nodes, and the possible epidemiological, environmental, occupational and clinical categorization of this condition. RESULTS AND CONCLUSIONS: It was intended that such material would have constituted the basis of a hypothetic decision-making tree, but this was impossible because of the lack of epidemiological investigation and registry data. Nevertheless, we present this preparatory work here in order to stimulate the interest of concerned readers and because of its possible direct usefulness in hematologic practice.  (+info)

Management of the impalpable testis: the role of laparoscopy. (2/422)

PURPOSE: To evaluate the use of laparoscopy in the management of the impalpable testis. DESIGN: A retrospective analysis of the clinical findings, interventions, and outcome in 87 consecutive boys undergoing laparoscopy for 97 impalpable testes. RESULTS: Fifty seven testes were either absent (n = 35) or present as a small remnant (n = 22), which was removed at contemporaneous groin exploration. There were 27 intra-abdominal testes, including four hypoplastic testes, which were removed laparoscopically. The 13 remaining viable testes were located in the groin. Conventional orchidopexy followed laparoscopy for 21 testes, and was successful in 17 cases. Two stage laparoscopically assisted Fowler Stevens orchidopexies were performed for 13 intra-abdominal testes, with eight satisfactory results. Ultrasound evaluation significantly reduced the number of conventional orchidopexies following laparoscopy. IMPLICATIONS: Laparoscopy is a rational and safe approach for precise localisation of the impalpable testis. Laparoscopically assisted two stage orchidopexy is a successful treatment procedure for intra-abdominal testes.  (+info)

Independent evaluation of onchocerciasis rapid assessment methods in Benue State, Nigeria. (3/422)

OBJECTIVE: To evaluate the prevalence of palpable nodules or skin depigmentation as rapid indicators of onchocerciasis epidemicity in at-risk communities. METHOD: We examined data collected in Benue State on 11035 individuals in 32 villages to evaluate these rapid assessment methods. RESULTS: The prevalence of palpable nodules correlates more closely with microfilarial prevalence (r=0.68, P<0.001) and community microfilarial load (r=0.64, P<0.001) than the prevalences of skin depigmentation or other potential rapid indicators. The recommended cut-off value for palpable nodules of 20% or more in males aged >20 years had a sensitivity of 94% and specificity of 50% compared to a cut-off of 40% or more for microfilarial prevalence in all ages. This would mean that in these 32 villages 17 of 18 would have been correctly identified for treatment, and a further 7 at lesser risk would have been targeted for treatment. CONCLUSIONS: Skin snipping and parasitological examination can be replaced by the simpler method of palpating onchocercal nodules to identify communities at serious risk of onchocerciasis. This has important operational benefits for onchocerciasis control programmes.  (+info)

Embryo transfer: ultrasound-guided versus clinical touch. (4/422)

In this prospective control study, the pregnancy and implantation rates were compared between ultrasound-guided and clinical touch uterine embryo transfers. In addition, a subset of patients was sought that would particularly benefit from embryo transfer under ultrasound guidance. A total of 187 patients (93 ultrasound and 94 clinical touch) was enrolled. Allocation was random and depended on whether their embryo transfers were done during the 1 h each day in which the ultrasound was available. Pregnancy and implantation rates of 37.8 and 20.4% respectively were achieved when ultrasound was used, compared with 28.9 and 16.2% respectively with clinical touch. This difference was not statistically significant. There was no significant difference in the pregnancy rate when the number of embryos transferred was controlled. Older women (>/=37 years old) had an apparently higher pregnancy rate (38.1 versus 20.4%; not significant) with ultrasound guidance during embryo transfer. In the subgroup where the clinician rated the transfer procedure as difficult, there appeared to be a substantial improvement in the pregnancy rate in the group that used ultrasound (54.5 versus 10.0%; not significant). Although our results were not statistically significant, we believe that ultrasound-guided embryo transfers should be used in clinically difficult embryo transfers and in older women, as it appears to improve the pregnancy rate over clinical touch transfers.  (+info)

Cutaneously applied 4-hydroxytamoxifen is not carcinogenic in female rats. (5/422)

Tamoxifen is widely used to treat oestrogen-dependent carcinoma of the breast. Previous long-term studies have shown that oral administration of tamoxifen induces hepatoproliferative lesions and hepatocellular tumours in rats. 4-hydroxytamoxifen is an active metabolite of tamoxifen undergoing clinical evaluation for the treatment of various non-malignant breast diseases by topical application. In the present study, 4-hydroxytamoxifen was administered daily by cutaneous application for 101 weeks to groups of 50 female Sprague-Dawley rats at 20, 140 or 1000 microg/kg/day. The product was applied with no occlusive bandage and oral ingestion was avoided by application of an Elizabethan collar for 6 h after administration. Treatment with 4-hydroxytamoxifen was clinically well tolerated and induced changes such as decreased food consumption and body weight gain, uterine and ovarian atrophy, mucification of vaginal epithelium and reduced mammary development, all of which were attributed to its pharmacological action. Mortality was significantly lower in the treated animals. The number of animals with palpable masses was similarly reduced. The incidence of mammary tumours and hypophyseal tumours was markedly lower in 4-hydroxytamoxifen-treated animals. The incidence of chronic tubulo-interstitial nephropathies, a common cause of mortality, was also lowered. There was no evidence of a carcinogenic action of 4-hydroxytamoxifen on the liver, genital organs or skin. Plasma levels of 4-hydroxytamoxifen were stable over the duration of the study and were proportional to the administered dose, exceeding clinical plasma levels by 60-fold at the high dose-level. In conclusion, 4-hydroxytamoxifen is not carcinogenic in the rat and reduces the incidence of spontaneous mammary and hypophyseal tumours.  (+info)

Effect of 26 week magnetic field exposures in a DMBA initiation-promotion mammary gland model in Sprague-Dawley rats. (6/422)

Several studies have suggested that exposure to 50 Hz magnetic fields promote chemically induced breast cancer in rats. Groups of 100 female Sprague-Dawley rats were initiated with a single 10 mg gavage dose of 7,12-dimethylbenz[a]anthracene (DMBA) at 50 days of age followed by exposure to ambient fields (sham exposed), 50 Hz magnetic fields at either 1 or 5 Gauss (G) field intensity or 60 Hz fields at 1 G for 18.5 h/day, 7 days/week for 26 weeks. A vehicle control group without DMBA was included. Rats were palpated weekly for the presence of tumors. There was no effect of magnetic field exposure on body weight gains or the time of appearance of mammary tumors. At the end of 26 weeks, the animals were killed and the mammary tumors counted and measured. Mammary gland masses found grossly were examined histologically. The mammary gland carcinoma incidence was 96, 90, 95 and 85% (P < 0.05, decrease) for the DMBA controls, 1 G 50 Hz, 5 G 50 Hz and 1 G 60 Hz groups, respectively. The total numbers of carcinomas were 649, 494 (P < 0.05, decrease), 547 and 433 (P < 0.05, decrease) for the DMBA controls, 1 G 50 Hz, 5 G 50 Hz and 1 G 60 Hz groups, respectively. The number of fibroadenomas varied from 276 to 319, with the lowest number in the 1 G 60 Hz exposure group. Measurement of the tumors revealed no difference in tumor size between groups. In this breast cancer initiation-promotion study in female Sprague-Dawley rats, there was no evidence that 50 or 60 Hz magnetic fields promoted breast cancer under the conditions of this assay. This study does not support the hypothesis that magnetic field exposure can promote breast cancer in this rat model.  (+info)

Patterns of nodal metastases in palpable medullary thyroid carcinoma: recommendations for extent of node dissection. (7/422)

OBJECTIVE: To establish the frequency, pattern and location of cervical lymph node metastases from palpable medullary thyroid carcinoma (MTC). Recommendations are made regarding the extent of surgery for this tumor. SUMMARY BACKGROUND DATA: Medullary thyroid carcinoma is a tumor of neuroendocrine origin that does not concentrate iodine. Surgical extirpation of the thyroid tumor and cervical node metastases is the only potentially curative therapeutic option. Patterns of node metastases in the neck and guidelines for the extent of dissection for palpable MTC are not well established. METHODS: Seventy-three patients underwent thyroidectomy for palpable MTC with immediate or delayed central and bilateral functional neck dissections. The number and location of lymph node metastases in the central (levels VI and VII) and bilateral (levels II to V) nodal groups were noted and were correlated with the size and location of the primary thyroid tumor. Intraoperative assessment of nodal status by palpation and inspection by the surgeon was correlated with results of histologic examination. RESULTS: Patients with unilateral intrathyroid tumors had lymph node metastases in 81% of central node dissections, 81% of ipsilateral functional (levels II to V) dissections, and 44% of contralateral functional (levels II to V) dissections. In patients with bilateral intrathyroid tumors, nodal metastases were present in 78% of central node dissections, 71% of functional (levels II to V) node dissections ipsilateral to the largest intrathyroid tumor, and 49% of functional (levels II to V) node dissections contralateral to the largest thyroid tumor. The sensitivity of the surgeon's intraoperative assessment for nodal metastases was 64%, and the specificity was 71%. CONCLUSION: In this series, >75% of patients with palpable MTC had associated nodal metastases, which often were not apparent to the surgeon. Routine central and bilateral functional neck dissections should be considered in all patients with palpable MTC.  (+info)

Thyroid volumes in US and Bangladeshi schoolchildren: comparison with European schoolchildren. (8/422)

OBJECTIVE: The World Health Organization (WHO) recently adopted thyroid volume ultrasonography results from European schoolchildren as the international reference for assessing iodine deficiency disorders. Our objective was to describe thyroid volumes measured by ultrasonography in US and Bangladeshi schoolchildren and compare these with European schoolchildren. METHODS: Cross-sectional studies were performed in schoolchildren in the US (n=302) and Bangladesh (n=398). Data were collected on the following: thyroid size by palpation and ultrasonography; urinary iodine; age; sex; weight; and height. RESULTS: Applying the new WHO thyroid volume references to the Bangladeshi children resulted in prevalence estimates of enlarged thyroid of 26% based on body surface area (BSA) and 7% based on age. In contrast, in the US children, the prevalence estimates were less than 1% for each reference. In the US children, the best single predictor of thyroid volume was BSA (R2=0.32), followed by weight (R2=0.31). Using linear regression, upper normal limits (97th percentile) of thyroid volume from US children were calculated for BSA, weight and age, and were found to be lower than the corresponding references based on BSA and age from European schoolchildren. CONCLUSIONS: In areas with malnutrition, such as Bangladesh, the BSA reference should be preferred to the reference based on age. Results from the US children indicated that a thyroid volume reference based on weight alone would perform as well as the one based on BSA. European schoolchildren had larger thyroids than US children, perhaps due to a residual effect of iodine deficiency in the recent past in some areas in Europe.  (+info)

Palpation is a medical examination technique in which a healthcare professional uses their hands to feel the size, shape, and consistency of body parts, including organs, tissues, and bones. It is used to assess the patient's overall health, identify any abnormalities or areas of pain, monitor healing and disease progression, and guide diagnostic and treatment decisions.

During palpation, the healthcare professional applies gentle pressure with their fingers or hands to specific areas of the body, feeling for any changes in texture, temperature, moisture, or movement. The technique can be used to assess various bodily systems, including the cardiovascular, respiratory, gastrointestinal, musculoskeletal, and nervous systems.

Palpation is a valuable tool in physical examinations because it is non-invasive, relatively quick, and cost-effective. It can provide important information that helps healthcare professionals make accurate diagnoses and develop effective treatment plans for their patients.

Goiter is a medical term that refers to an enlarged thyroid gland. The thyroid gland is a small, butterfly-shaped gland located in the front of your neck below the larynx or voice box. It produces hormones that regulate your body's metabolism, growth, and development.

Goiter can vary in size and may be visible as a swelling at the base of the neck. It can be caused by several factors, including iodine deficiency, autoimmune disorders, thyroid cancer, pregnancy, or the use of certain medications. Depending on the underlying cause and the severity of the goiter, treatment options may include medication, surgery, or radioactive iodine therapy.

A physical examination is a methodical and systematic process of evaluating a patient's overall health status. It involves inspecting, palpating, percussing, and auscultating different parts of the body to detect any abnormalities or medical conditions. The primary purpose of a physical examination is to gather information about the patient's health, identify potential health risks, diagnose medical conditions, and develop an appropriate plan for prevention, treatment, or further evaluation.

During a physical examination, a healthcare provider may assess various aspects of a patient's health, including their vital signs (such as blood pressure, heart rate, temperature, and respiratory rate), height, weight, body mass index (BMI), and overall appearance. They may also examine different organ systems, such as the cardiovascular, respiratory, gastrointestinal, neurological, musculoskeletal, and genitourinary systems, to identify any signs of disease or abnormalities.

Physical examinations are an essential part of preventive healthcare and are typically performed during routine check-ups, annual physicals, and when patients present with symptoms or concerns about their health. The specific components of a physical examination may vary depending on the patient's age, sex, medical history, and presenting symptoms.

Obstetric nursing is a specialized field of nursing that focuses on the care of women during pregnancy, childbirth, and the postpartum period. This includes providing prenatal education and support, managing labor and delivery, assisting with newborn care immediately after birth, and supporting the physical and emotional needs of new mothers in the days and weeks following childbirth. Obstetric nurses may also provide care for women experiencing high-risk pregnancies or pregnancy-related complications. They work closely with obstetricians, midwives, and other healthcare professionals to ensure that women receive comprehensive and compassionate care throughout their pregnancy and childbirth journey.

"Voice training" is not a term that has a specific medical definition in the field of otolaryngology (ear, nose, and throat medicine) or speech-language pathology. However, voice training generally refers to the process of developing and improving one's vocal skills through various exercises and techniques. This can include training in breath control, pitch, volume, resonance, articulation, and interpretation, among other aspects of vocal production. Voice training is often used to help individuals with voice disorders or professionals such as singers and actors to optimize their vocal abilities. In a medical context, voice training may be recommended or overseen by a speech-language pathologist as part of the treatment plan for a voice disorder.

I apologize for any confusion, but "Basketball" is a sports game and not a medical term. It involves two teams of five players each trying to score points by throwing a ball through a hoop 18 inches (46 cm) in diameter and 10 feet (3.05 meters) high mounted on a backboard at each end of the court.

If you have any medical questions or terms, I would be happy to help define those for you.

Temporomandibular Joint Disorders (TMD) refer to a group of conditions that cause pain and dysfunction in the temporomandibular joint (TMJ) and the muscles that control jaw movement. The TMJ is the hinge joint that connects the lower jaw (mandible) to the skull (temporal bone) in front of the ear. It allows for movements required for activities such as eating, speaking, and yawning.

TMD can result from various causes, including:

1. Muscle tension or spasm due to clenching or grinding teeth (bruxism), stress, or jaw misalignment
2. Dislocation or injury of the TMJ disc, which is a small piece of cartilage that acts as a cushion between the bones in the joint
3. Arthritis or other degenerative conditions affecting the TMJ
4. Bite problems (malocclusion) leading to abnormal stress on the TMJ and its surrounding muscles
5. Stress, which can exacerbate existing TMD symptoms by causing muscle tension

Symptoms of Temporomandibular Joint Disorders may include:
- Pain or tenderness in the jaw, face, neck, or shoulders
- Limited jaw movement or locking of the jaw
- Clicking, popping, or grating sounds when moving the jaw
- Headaches, earaches, or dizziness
- Difficulty chewing or biting
- Swelling on the side of the face

Treatment for TMD varies depending on the severity and cause of the condition. It may include self-care measures (like eating soft foods, avoiding extreme jaw movements, and applying heat or cold packs), physical therapy, medications (such as muscle relaxants, pain relievers, or anti-inflammatory drugs), dental work (including bite adjustments or orthodontic treatment), or even surgery in severe cases.

A pulse is a medical term that refers to the tactile sensation of the heartbeat that can be felt in various parts of the body, most commonly at the wrist, neck, or groin. It is caused by the surge of blood through an artery as the heart pushes blood out into the body during systole (contraction). The pulse can provide important information about a person's heart rate, rhythm, and strength, which are all crucial vital signs that help healthcare professionals assess a patient's overall health and identify any potential medical issues.

In summary, a pulse is a palpable manifestation of the heartbeat felt in an artery due to the ejection of blood by the heart during systole.

Ultrasonography, also known as sonography, is a diagnostic medical procedure that uses high-frequency sound waves (ultrasound) to produce dynamic images of organs, tissues, or blood flow inside the body. These images are captured in real-time and can be used to assess the size, shape, and structure of various internal structures, as well as detect any abnormalities such as tumors, cysts, or inflammation.

During an ultrasonography procedure, a small handheld device called a transducer is placed on the patient's skin, which emits and receives sound waves. The transducer sends high-frequency sound waves into the body, and these waves bounce back off internal structures and are recorded by the transducer. The recorded data is then processed and transformed into visual images that can be interpreted by a medical professional.

Ultrasonography is a non-invasive, painless, and safe procedure that does not use radiation like other imaging techniques such as CT scans or X-rays. It is commonly used to diagnose and monitor conditions in various parts of the body, including the abdomen, pelvis, heart, blood vessels, and musculoskeletal system.

A Follicular Cyst is a type of cyst that forms within a follicle, which is the sac-like structure in the skin that contains and protects a hair root. In particular, it refers to a specific condition in the ovary where a follicle fails to rupture or release an egg after maturation, instead continuing to grow and fill with fluid, forming a cyst. These cysts are usually asymptomatic but can become large and cause symptoms such as pelvic pain or discomfort, irregular menstrual cycles, or abnormal vaginal bleeding. In most cases, follicular cysts resolve on their own within 2-3 menstrual cycles, but in rare cases, they may require medical intervention if they become complicated or do not resolve.

The ilium is the largest and broadest of the three parts that make up the hip bone or coxal bone. It is the uppermost portion of the pelvis and forms the side of the waist. The ilium has a curved, fan-like shape and articulates with the sacrum at the back to form the sacroiliac joint. The large, concave surface on the top of the ilium is called the iliac crest, which can be felt as a prominent ridge extending from the front of the hip to the lower back. This region is significant in orthopedics and physical examinations for its use in assessing various medical conditions and performing certain maneuvers during the physical examination.

Iodine is an essential trace element that is necessary for the production of thyroid hormones in the body. These hormones play crucial roles in various bodily functions, including growth and development, metabolism, and brain development during pregnancy and infancy. Iodine can be found in various foods such as seaweed, dairy products, and iodized salt. In a medical context, iodine is also used as an antiseptic to disinfect surfaces, wounds, and skin infections due to its ability to kill bacteria, viruses, and fungi.

Trigger points, also known as muscle knots, are hyperirritable spots in the tight bands of skeletal muscle. They are associated with palpable nodules in taut bands of muscle fibers and are characterized by local tenderness, referred pain, motor dysfunction, and autonomic phenomena.

Trigger points can be classified as active or latent. Active trigger points cause pain at rest and are exacerbated by movement or pressure, while latent trigger points only cause pain when palpated or during specific movements. Trigger points can develop due to various factors such as muscle overuse, injury, poor posture, emotional stress, and chronic illnesses.

The exact mechanism of trigger point formation is not fully understood, but it is believed that they result from a dysfunction in the motor endplate, where the nerve ending meets the muscle fiber. This can lead to an excessive release of acetylcholine, causing sustained muscle contraction and reduced blood flow, leading to the development of trigger points.

Treatment for trigger points may include physical therapy, massage, stretching exercises, dry needling, or injections with local anesthetics or corticosteroids. Addressing the underlying causes of trigger points is also essential for long-term relief and prevention.

Observer variation, also known as inter-observer variability or measurement agreement, refers to the difference in observations or measurements made by different observers or raters when evaluating the same subject or phenomenon. It is a common issue in various fields such as medicine, research, and quality control, where subjective assessments are involved.

In medical terms, observer variation can occur in various contexts, including:

1. Diagnostic tests: Different radiologists may interpret the same X-ray or MRI scan differently, leading to variations in diagnosis.
2. Clinical trials: Different researchers may have different interpretations of clinical outcomes or adverse events, affecting the consistency and reliability of trial results.
3. Medical records: Different healthcare providers may document medical histories, physical examinations, or treatment plans differently, leading to inconsistencies in patient care.
4. Pathology: Different pathologists may have varying interpretations of tissue samples or laboratory tests, affecting diagnostic accuracy.

Observer variation can be minimized through various methods, such as standardized assessment tools, training and calibration of observers, and statistical analysis of inter-rater reliability.

Facial pain is a condition characterized by discomfort or pain felt in any part of the face. It can result from various causes, including nerve damage or irritation, injuries, infections, dental problems, migraines, or sinus congestion. The pain can range from mild to severe and may be sharp, dull, constant, or intermittent. In some cases, facial pain can also be associated with other symptoms such as headaches, redness, swelling, or changes in sensation. Accurate diagnosis and treatment of the underlying cause are essential for effective management of facial pain.

Osteopathic manipulation, also known as osteopathic manual medicine (OMM), is a hands-on approach to diagnosing, treating, and preventing illness and injury. It is a system of manual therapy that was developed by Andrew Taylor Still, the founder of osteopathic medicine. OMM uses a variety of techniques to move, stretch, and massage the muscles, joints, and other tissues. The goal of osteopathic manipulation is to restore normal function and balance to the body, allowing it to heal itself.

Osteopathic manipulative treatment (OMT) is a series of manual techniques that are used to diagnose and treat a variety of medical conditions. These techniques may include stretching, gentle pressure, or resistance to improve the mobility and function of joints, muscles, and other tissues. OMT can be used to treat a wide range of conditions, including back pain, headaches, neck pain, and other musculoskeletal problems. It is also used to help relieve the symptoms of various internal disorders, such as asthma, sinus disorders, and digestive problems.

It's important to note that Osteopathic Manipulative Treatment (OMT) should be performed by a qualified healthcare professional with training in osteopathic manipulation, like an osteopathic physician (DO). It is generally considered safe when performed by a trained and licensed practitioner. However, as with any medical treatment, it is not without risks and potential complications. Therefore, it's important to discuss the potential benefits and risks of OMT with your healthcare provider before undergoing treatment.

Reproducibility of results in a medical context refers to the ability to obtain consistent and comparable findings when a particular experiment or study is repeated, either by the same researcher or by different researchers, following the same experimental protocol. It is an essential principle in scientific research that helps to ensure the validity and reliability of research findings.

In medical research, reproducibility of results is crucial for establishing the effectiveness and safety of new treatments, interventions, or diagnostic tools. It involves conducting well-designed studies with adequate sample sizes, appropriate statistical analyses, and transparent reporting of methods and findings to allow other researchers to replicate the study and confirm or refute the results.

The lack of reproducibility in medical research has become a significant concern in recent years, as several high-profile studies have failed to produce consistent findings when replicated by other researchers. This has led to increased scrutiny of research practices and a call for greater transparency, rigor, and standardization in the conduct and reporting of medical research.

Cranial sutures are the fibrous joints that connect and hold together the bones of the skull (cranium) in humans and other animals. These sutures provide flexibility for the skull during childbirth and growth, allowing the skull to expand as the brain grows in size, especially during infancy and early childhood.

There are several cranial sutures in the human skull, including:

1. The sagittal suture, which runs along the midline of the skull, connecting the two parietal bones.
2. The coronal suture, which connects the frontal bone to the two parietal bones.
3. The lambdoid suture, which connects the occipital bone to the two parietal bones.
4. The squamosal suture, which connects the temporal bone to the parietal bone.
5. The frontosphenoidal and sphenoethmoidal sutures, which connect the frontal bone, sphenoid bone, and ethmoid bone in the anterior cranial fossa.

These sutures are typically made up of a specialized type of connective tissue called Sharpey's fibers, which interdigitate with each other to form a strong yet flexible joint. Over time, as the skull bones fully fuse together, these sutures become less prominent and eventually ossify (turn into bone). In some cases, abnormalities in cranial suture development or fusion can lead to medical conditions such as craniosynostosis.

Adenofibroma is a rare, benign tumor that occurs most commonly in the salivary glands. It is composed of both glandular tissue (adeno-) and fibrous tissue (-fibroma). These tumors are slow-growing and typically do not spread to other parts of the body.

Adenofibromas can also occur in other areas of the body, such as the skin, where they may be referred to as "fibroepithelial polyps" or "skin tags." In general, adenofibromas are not cancerous and can often be removed surgically. However, it is important to have any new growths or lumps evaluated by a healthcare professional to determine the appropriate course of treatment.

Endemic goiter refers to a condition of abnormal enlargement of the thyroid gland that is prevalent in a particular geographic area due to deficiency of iodine in the diet or drinking water. The lack of iodine leads to decreased production of thyroid hormones, which in turn stimulates the thyroid gland to grow and attempt to increase hormone production. This results in the visible enlargement of the thyroid gland, known as a goiter. Endemic goiter is preventable through iodine supplementation in the diet or through iodized salt.

The pelvic floor is a group of muscles, ligaments, and connective tissues that form a sling or hammock across the bottom of the pelvis. It supports the organs in the pelvic cavity, including the bladder, rectum, and uterus or prostate. The pelvic floor helps control urination, defecation, and sexual function by relaxing and contracting to allow for the release of waste and during sexual activity. It also contributes to postural stability and balance. Weakness or damage to the pelvic floor can lead to various health issues such as incontinence, pelvic organ prolapse, and sexual dysfunction.

A pregnancy test is a medical diagnostic tool used to determine whether or not a woman is pregnant. These tests detect the presence of human chorionic gonadotropin (hCG), a hormone produced by the placenta after fertilization. Pregnancy tests can be performed using a variety of methods, including urine tests and blood tests.

Urine pregnancy tests are typically performed at home and involve either dipping a test strip into a sample of urine or holding the strip under a stream of urine for several seconds. The test strip contains antibodies that react with hCG, producing a visual signal such as a line or plus sign if hCG is present.

Blood pregnancy tests are performed by a healthcare provider and can detect lower levels of hCG than urine tests. There are two types of blood pregnancy tests: qualitative and quantitative. Qualitative tests simply detect the presence or absence of hCG, while quantitative tests measure the exact amount of hCG present in the blood.

Pregnancy tests are generally very accurate when used correctly, but false positives and false negatives can occur. False positives may occur due to certain medical conditions or medications that contain hCG. False negatives may occur if the test is taken too early or if it is not performed correctly. It is important to follow the instructions carefully and consult with a healthcare provider if there is any uncertainty about the results.

Tietze's syndrome is a benign condition characterized by localized costochondral swelling and pain, primarily affecting the second or third costochondral joint. It is also known as "costochondritis" or "inflammation of the cartilage of the rib cage." The exact cause of Tietze's syndrome is not well understood, but it may be associated with trauma, physical strain, or viral infections. The symptoms include chest pain, tenderness, and sometimes swelling in the affected area. However, unlike a heart attack, Tietze's syndrome does not present with any signs of cardiac distress, such as shortness of breath, sweating, or nausea. Treatment typically involves the use of nonsteroidal anti-inflammatory drugs (NSAIDs) to manage pain and inflammation, as well as physical therapy to improve posture and relieve tension on the affected joints. In severe cases, corticosteroid injections may be considered. The prognosis for Tietze's syndrome is generally good, with most people experiencing a full recovery within a few weeks or months.

The postpartum period refers to the time frame immediately following childbirth, typically defined as the first 6-12 weeks. During this time, significant physical and emotional changes occur as the body recovers from pregnancy and delivery. Hormone levels fluctuate dramatically, leading to various symptoms such as mood swings, fatigue, and breast engorgement. The reproductive system also undergoes significant changes, with the uterus returning to its pre-pregnancy size and shape, and the cervix closing.

It is essential to monitor physical and emotional health during this period, as complications such as postpartum depression, infection, or difficulty breastfeeding may arise. Regular check-ups with healthcare providers are recommended to ensure a healthy recovery and address any concerns. Additionally, proper rest, nutrition, and support from family and friends can help facilitate a smooth transition into this new phase of life.

In medical terms, percussion is a diagnostic procedure in which the edge of a solid object (usually the finger or a small rubber hammer) is used to quickly and sharply strike the surface of the body, producing a sound that can help determine the size, shape, and density of underlying organs and structures. The resulting sound waves travel through the body and are interpreted by the practitioner to make assessments about the condition of the patient's internal organs.

Percussion is often used in conjunction with other diagnostic techniques, such as auscultation (listening to bodily sounds) and palpation (feeling the body for abnormalities), to help form a complete picture of a patient's health. It is commonly used to assess the size and position of the lungs, heart, liver, spleen, and other organs, as well as to identify any fluid or air accumulations in the body.

Percussion is a valuable tool in physical examinations and can help healthcare providers make informed decisions about patient care. However, it requires practice and skill to perform accurately, and should be used in conjunction with other diagnostic techniques for best results.

Chiropractic is a health care profession that focuses on the diagnosis, treatment, and prevention of disorders of the neuromusculoskeletal system, with an emphasis on the spine. Chiropractors use manual therapies, including spinal manipulation and adjustment, to realign the spine and improve function, reduce pain, and promote overall health and well-being.

The primary goal of chiropractic care is to correct subluxations, or misalignments of the vertebrae in the spine, which can cause nerve interference and affect the body's natural ability to heal itself. Chiropractors may also use other therapies such as exercise, nutrition counseling, and lifestyle modifications to help patients achieve optimal health and wellness.

Chiropractic is a drug-free and non-surgical approach to healthcare that is recognized by major regulatory bodies around the world. It has been shown to be effective for a wide range of conditions, including back pain, neck pain, headaches, and other musculoskeletal disorders.

Fetal viability is the point in pregnancy at which a fetus is considered capable of surviving outside the uterus, given appropriate medical support. Although there is no precise gestational age that defines fetal viability, it is generally considered to occur between 24 and 28 weeks of gestation. At this stage, the fetus has developed sufficient lung maturity and body weight, and the risk of neonatal mortality and morbidity significantly decreases. However, the exact definition of fetal viability may vary depending on regional standards, medical facilities, and individual clinical assessments.

Neck muscles, also known as cervical muscles, are a group of muscles that provide movement, support, and stability to the neck region. They are responsible for various functions such as flexion, extension, rotation, and lateral bending of the head and neck. The main neck muscles include:

1. Sternocleidomastoid: This muscle is located on either side of the neck and is responsible for rotating and flexing the head. It also helps in tilting the head to the same side.

2. Trapezius: This large, flat muscle covers the back of the neck, shoulders, and upper back. It is involved in movements like shrugging the shoulders, rotating and extending the head, and stabilizing the scapula (shoulder blade).

3. Scalenes: These three pairs of muscles are located on the side of the neck and assist in flexing, rotating, and laterally bending the neck. They also help with breathing by elevating the first two ribs during inspiration.

4. Suboccipitals: These four small muscles are located at the base of the skull and are responsible for fine movements of the head, such as tilting and rotating.

5. Longus Colli and Longus Capitis: These muscles are deep neck flexors that help with flexing the head and neck forward.

6. Splenius Capitis and Splenius Cervicis: These muscles are located at the back of the neck and assist in extending, rotating, and laterally bending the head and neck.

7. Levator Scapulae: This muscle is located at the side and back of the neck, connecting the cervical vertebrae to the scapula. It helps with rotation, extension, and elevation of the head and scapula.

Sensitivity and specificity are statistical measures used to describe the performance of a diagnostic test or screening tool in identifying true positive and true negative results.

* Sensitivity refers to the proportion of people who have a particular condition (true positives) who are correctly identified by the test. It is also known as the "true positive rate" or "recall." A highly sensitive test will identify most or all of the people with the condition, but may also produce more false positives.
* Specificity refers to the proportion of people who do not have a particular condition (true negatives) who are correctly identified by the test. It is also known as the "true negative rate." A highly specific test will identify most or all of the people without the condition, but may also produce more false negatives.

In medical testing, both sensitivity and specificity are important considerations when evaluating a diagnostic test. High sensitivity is desirable for screening tests that aim to identify as many cases of a condition as possible, while high specificity is desirable for confirmatory tests that aim to rule out the condition in people who do not have it.

It's worth noting that sensitivity and specificity are often influenced by factors such as the prevalence of the condition in the population being tested, the threshold used to define a positive result, and the reliability and validity of the test itself. Therefore, it's important to consider these factors when interpreting the results of a diagnostic test.

Zollinger-Ellison Syndrome (ZES) is a rare digestive disorder that is characterized by the development of one or more gastrin-secreting tumors, also known as gastrinomas. These tumors are usually found in the pancreas and duodenum (the first part of the small intestine). Gastrinomas produce excessive amounts of the hormone gastrin, which leads to the overproduction of stomach acid.

The increased stomach acid can cause severe peptic ulcers, often multiple or refractory to treatment, in the duodenum and jejunum (the second part of the small intestine). ZES may also result in diarrhea due to the excess acid irritating the intestines. In some cases, gastrinomas can be malignant and metastasize to other organs such as the liver and lymph nodes.

The diagnosis of Zollinger-Ellison Syndrome typically involves measuring serum gastrin levels and performing a secretin stimulation test. Imaging tests like CT scans, MRI, or endoscopic ultrasounds may be used to locate the tumors. Treatment usually includes medications to reduce stomach acid production (such as proton pump inhibitors) and surgery to remove the gastrinomas when possible.

"Animal pregnancy" is not a term that is typically used in medical definitions. However, in biological terms, animal pregnancy refers to the condition where a fertilized egg (or eggs) implants and develops inside the reproductive tract of a female animal, leading to the birth of offspring (live young).

The specific details of animal pregnancy can vary widely between different species, with some animals exhibiting phenomena such as placental development, gestation periods, and hormonal changes that are similar to human pregnancy, while others may have very different reproductive strategies.

It's worth noting that the study of animal pregnancy and reproduction is an important area of biological research, as it can provide insights into fundamental mechanisms of embryonic development, genetics, and evolution.

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