Respiratory Function Tests: Measurement of the various processes involved in the act of respiration: inspiration, expiration, oxygen and carbon dioxide exchange, lung volume and compliance, etc.Liver Function Tests: Blood tests that are used to evaluate how well a patient's liver is working and also to help diagnose liver conditions.Vital Capacity: The volume of air that is exhaled by a maximal expiration following a maximal inspiration.Respiration: The act of breathing with the LUNGS, consisting of INHALATION, or the taking into the lungs of the ambient air, and of EXHALATION, or the expelling of the modified air which contains more CARBON DIOXIDE than the air taken in (Blakiston's Gould Medical Dictionary, 4th ed.). This does not include tissue respiration (= OXYGEN CONSUMPTION) or cell respiration (= CELL RESPIRATION).Respiration Disorders: Diseases of the respiratory system in general or unspecified or for a specific respiratory disease not available.Thyroid Function Tests: Blood tests used to evaluate the functioning of the thyroid gland.Forced Expiratory Volume: Measure of the maximum amount of air that can be expelled in a given number of seconds during a FORCED VITAL CAPACITY determination . It is usually given as FEV followed by a subscript indicating the number of seconds over which the measurement is made, although it is sometimes given as a percentage of forced vital capacity.Maximal Expiratory Flow Rate: The airflow rate measured during the first liter expired after the first 200 ml have been exhausted during a FORCED VITAL CAPACITY determination. Common abbreviations are MEFR, FEF 200-1200, and FEF 0.2-1.2.Spirometry: Measurement of volume of air inhaled or exhaled by the lung.Respiratory Physiological Phenomena: Physiological processes and properties of the RESPIRATORY SYSTEM as a whole or of any of its parts.Lung: Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood.Maximal Midexpiratory Flow Rate: Measurement of rate of airflow over the middle half of a FORCED VITAL CAPACITY determination (from the 25 percent level to the 75 percent level). Common abbreviations are MMFR and FEF 25%-75%.Cell Respiration: The metabolic process of all living cells (animal and plant) in which oxygen is used to provide a source of energy for the cell.Respiratory Mechanics: The physical or mechanical action of the LUNGS; DIAPHRAGM; RIBS; and CHEST WALL during respiration. It includes airflow, lung volume, neural and reflex controls, mechanoreceptors, breathing patterns, etc.Pancreatic Function Tests: Tests based on the biochemistry and physiology of the exocrine pancreas and involving analysis of blood, duodenal contents, feces, or urine for products of pancreatic secretion.Functional Residual Capacity: The volume of air remaining in the LUNGS at the end of a normal, quiet expiration. It is the sum of the RESIDUAL VOLUME and the EXPIRATORY RESERVE VOLUME. Common abbreviation is FRC.RussiaBrazilPhotography: Method of making images on a sensitized surface by exposure to light or other radiant energy.Hospitals, University: Hospitals maintained by a university for the teaching of medical students, postgraduate training programs, and clinical research.Medical Staff: Professional medical personnel who provide care to patients in an organized facility, institution or agency.Sensitivity and Specificity: 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)Molecular Sequence Data: Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.Amino Acid Sequence: The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.Predictive Value of Tests: In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test.Base Sequence: The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.Radiopharmaceuticals: Compounds that are used in medicine as sources of radiation for radiotherapy and for diagnostic purposes. They have numerous uses in research and industry. (Martindale, The Extra Pharmacopoeia, 30th ed, p1161)Medical Laboratory Science: The specialty related to the performance of techniques in clinical pathology such as those in hematology, microbiology, and other general clinical laboratory applications.Technology, High-Cost: Advanced technology that is costly, requires highly skilled personnel, and is unique in its particular application. Includes innovative, specialized medical/surgical procedures as well as advanced diagnostic and therapeutic equipment.Laboratories, Dental: Facilities for the performance of services related to dental treatment but not done directly in the patient's mouth.Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Quality of Life: A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral and social environment; the overall condition of a human life.Dental Technicians: Individuals responsible for fabrication of dental appliances.Periodicals as Topic: A publication issued at stated, more or less regular, intervals.PubMed: A bibliographic database that includes MEDLINE as its primary subset. It is produced by the National Center for Biotechnology Information (NCBI), part of the NATIONAL LIBRARY OF MEDICINE. PubMed, which is searchable through NLM's Web site, also includes access to additional citations to selected life sciences journals not in MEDLINE, and links to other resources such as the full-text of articles at participating publishers' Web sites, NCBI's molecular biology databases, and PubMed Central.Lung Volume Measurements: Measurement of the amount of air that the lungs may contain at various points in the respiratory cycle.BooksPublishing: "The business or profession of the commercial production and issuance of literature" (Webster's 3d). It includes the publisher, publication processes, editing and editors. Production may be by conventional printing methods or by electronic publishing.North CarolinaRespiratory System: The tubular and cavernous organs and structures, by means of which pulmonary ventilation and gas exchange between ambient air and the blood are brought about.Pulmonary Ventilation: The total volume of gas inspired or expired per unit of time, usually measured in liters per minute.Pulmonary Gas Exchange: The exchange of OXYGEN and CARBON DIOXIDE between alveolar air and pulmonary capillary blood that occurs across the BLOOD-AIR BARRIER.Respiratory Muscles: These include the muscles of the DIAPHRAGM and the INTERCOSTAL MUSCLES.Maximal Voluntary Ventilation: Measure of the maximum amount of air that can be breathed in and blown out over a sustained interval such as 15 or 20 seconds. Common abbreviations are MVV and MBC.Telenursing: Delivery of nursing services via remote telecommunications.Recovery of Function: A partial or complete return to the normal or proper physiologic activity of an organ or part following disease or trauma.Oxygen: An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration.Oxygen Consumption: The rate at which oxygen is used by a tissue; microliters of oxygen STPD used per milligram of tissue per hour; the rate at which oxygen enters the blood from alveolar gas, equal in the steady state to the consumption of oxygen by tissue metabolism throughout the body. (Stedman, 25th ed, p346)Exercise Test: Controlled physical activity which is performed in order to allow assessment of physiological functions, particularly cardiovascular and pulmonary, but also aerobic capacity. Maximal (most intense) exercise is usually required but submaximal exercise is also used.Cystic Fibrosis: An autosomal recessive genetic disease of the EXOCRINE GLANDS. It is caused by mutations in the gene encoding the CYSTIC FIBROSIS TRANSMEMBRANE CONDUCTANCE REGULATOR expressed in several organs including the LUNG, the PANCREAS, the BILIARY SYSTEM, and the SWEAT GLANDS. Cystic fibrosis is characterized by epithelial secretory dysfunction associated with ductal obstruction resulting in AIRWAY OBSTRUCTION; chronic RESPIRATORY INFECTIONS; PANCREATIC INSUFFICIENCY; maldigestion; salt depletion; and HEAT PROSTRATION.Free Radicals: Highly reactive molecules with an unsatisfied electron valence pair. Free radicals are produced in both normal and pathological processes. They are proven or suspected agents of tissue damage in a wide variety of circumstances including radiation, damage from environment chemicals, and aging. Natural and pharmacological prevention of free radical damage is being actively investigated.Expectorants: Agents that increase mucous excretion. Mucolytic agents, that is drugs that liquefy mucous secretions, are also included here.Sputum: Material coughed up from the lungs and expectorated via the mouth. It contains MUCUS, cellular debris, and microorganisms. It may also contain blood or pus.Antioxidants: Naturally occurring or synthetic substances that inhibit or retard the oxidation of a substance to which it is added. They counteract the harmful and damaging effects of oxidation in animal tissues.Oxidative Stress: A disturbance in the prooxidant-antioxidant balance in favor of the former, leading to potential damage. Indicators of oxidative stress include damaged DNA bases, protein oxidation products, and lipid peroxidation products (Sies, Oxidative Stress, 1991, pxv-xvi).
A new model rat with acute bronchiolitis and its application to research on the toxicology of inhaled particulate matter. (1/4931)
The aim of the present study was to establish a useful animal model that simulates humans sensitive to inhaled particulate matter (PM). We have developed a new rat model of acute bronchiolitis (Br) by exposing animals to NiCl2 (Ni) aerosols for five days. Three days following the Ni exposure, the animals developed signs of tachypnea, mucous hypersecretion, and bronchiolar inflammation which seemed to progress quickly during the fourth to fifth day. They recovered from lesions after four weeks in clean air. To assess the sensitivity of the Br rats to inhaled particles, two kinds of PM of respirable size were tested with doses similar to or a little higher to the recommended threshold limit values (TLVs) for the working environment in Japan. Titanium dioxide (TiO2 = Ti) was chosen as an inert and insoluble particles and vanadium pentoxide (V2O5 = V), as a representative soluble and toxic airborne material. The Br rats exposed to either Ti or V were compared the pathological changes in the lungs and the clearance of particles to those in normal control or Br rats kept in clean air. The following significant differences were observed in Br rats: 1. delayed recovery from pre-existing lesions or exacerbated inflammation, 2. reductions in deposition and clearance rate of inhaled particles with the progress of lesions. The present results suggest that Br rats are more susceptible to inhaled particles than control rats. Therefore, concentrations of particulate matter lower than the TLVs for Japan, which have no harmful effects on normal lungs, may not always be safe in the case of pre-existing lung inflammation. (+info)Cytokines and inflammatory mediators do not indicate acute infection in cystic fibrosis. (2/4931)
Various treatment regimens and difficulties with research design are encountered with cystic fibrosis (CF) because no standard diagnostic criteria exist for defining acute respiratory exacerbations. This study evaluated the role of serial monitoring of concentrations of selected cytokines and inflammatory mediators in serum and sputum as predictors of respiratory exacerbation, as useful outcome measures for CF, and to guide therapy. Interleukin-8 (IL-8), tumor necrosis factor alpha (TNF-alpha), neutrophil elastase-alpha-1-protease inhibitor complex (NE complex), protein, and alpha-1-protease inhibitor (alpha-1-PI) were measured in serum and sputum collected from CF patients during respiratory exacerbations and periods of well-being. Levels of NE complex, protein, and alpha-1-PI in sputum rose during respiratory exacerbations and fell after institution of antibiotic therapy (P = 0.078, 0.001, and 0.002, respectively). Mean (+/- standard error of the mean) levels of IL-8 and TNF-alpha were extremely high in sputum (13,780 +/- 916 and 249.4 +/- 23.5 ng/liter, respectively) but did not change significantly with clinical deterioration of the patient (P > 0.23). IL-8 and TNF-alpha were generally undetectable in serum, and therefore these measures were unhelpful. Drop in forced expiratory volume in 1 s was the only clinical or laboratory parameter that was close to being a determinant of respiratory exacerbation (P = 0.055). This study provides evidence of intense immunological activity occurring continually within the lungs of adult CF patients. Measurement of cytokines and inflammatory mediators in CF sputum is not helpful for identifying acute respiratory exacerbations. (+info)Effects of acute prolonged exposure to high-altitude hypoxia on exercise-induced breathlessness. (3/4931)
The direct effects of hypoxia on exercise-induced breathlessness are unclear. Increased breathlessness on exercise is known to occur at high altitude, but it is not known whether this is related to the hypoxia per se, or to other ventilatory parameters. To examine the role of high-altitude hypoxia in exercise-induced breathlessness, studies were performed in 10 healthy, normal subjects at sea level and after acute exposure to an altitude of 4450 m. Although the perception of hand weights did not alter between sea level and high altitude, the intensity of exercise-induced breathlessness increased significantly at high altitude. This was associated with a higher minute ventilation and respiratory frequency for any given exercise level, whereas tidal volume was not significantly altered from sea level values. The increased intensity of breathlessness with exercise did not change significantly over the 5 days at high altitude. These results suggest that the increased intensity of exercise-induced breathlessness at high altitude is not related to peripheral mechanisms or the pattern of ventilation, or to the level of hypoxia per se, but to the level of reflexly increased ventilation. (+info)Effect of thoracotomy and lung resection on exercise capacity in patients with lung cancer. (4/4931)
BACKGROUND: Resection is the treatment of choice for lung cancer, but may cause impaired cardiopulmonary function with an adverse effect on quality of life. Few studies have considered the effects of thoracotomy alone on lung function, and whether the operation itself can impair subsequent exercise capacity. METHODS: Patients being considered for lung resection (n = 106) underwent full static and dynamic pulmonary function testing which was repeated 3-6 months after surgery (n = 53). RESULTS: Thoracotomy alone (n = 13) produced a reduction in forced expiratory volume in one second (FEV1; mean (SE) 2.10 (0.16) versus 1.87 (0.15) l; p<0.05). Wedge resection (n = 13) produced a non-significant reduction in total lung capacity (TLC) only. Lobectomy (n = 14) reduced forced vital capacity (FVC), TLC, and carbon monoxide transfer factor but exercise capacity was unchanged. Only pneumonectomy (n = 13) reduced exercise capacity by 28% (PVO2 23.9 (1.5) versus 17.2 (1.7) ml/min/kg; difference (95% CI) 6.72 (3.15 to 10.28); p<0.01) and three patients changed from a cardiac limitation to exercise before pneumonectomy to pulmonary limitation afterwards. CONCLUSIONS: Neither thoracotomy alone nor limited lung resection has a significant effect on exercise capacity. Only pneumonectomy is associated with impaired exercise performance, and then perhaps not as much as might be expected. (+info)Pseudo-steroid resistant asthma. (5/4931)
BACKGROUND: Steroid resistant asthma (SRA) represents a small subgroup of those patients who have asthma and who are difficult to manage. Two patients with apparent SRA are described, and 12 additional cases who were admitted to the same hospital are reviewed. METHODS: The subjects were selected from a tertiary hospital setting by review of all asthma patients admitted over a two year period. Subjects were defined as those who failed to respond to high doses of bronchodilators and oral glucocorticosteroids, as judged by subjective assessment, audible wheeze on examination, and serial peak flow measurements. RESULTS: In 11 of the 14 patients identified there was little to substantiate the diagnosis of severe or steroid resistant asthma apart from symptoms and upper respiratory wheeze. Useful tests to differentiate this group of patients from those with severe asthma appear to be: the inability to perform reproducible forced expiratory manoeuvres, normal airway resistance, and a concentration of histamine causing a 20% fall in the forced expiratory volume (FEV1) being within the range for normal subjects (PC20). Of the 14 subjects, four were health care staff and two reported childhood sexual abuse. CONCLUSION: Such patients are important to identify as they require supportive treatment which should not consist of high doses of glucocorticosteroids and beta2 adrenergic agonists. Diagnoses other than asthma, such as gastro-oesophageal reflux, hyperventilation, vocal cord dysfunction and sleep apnoea, should be sought as these may be a cause of glucocorticosteroid treatment failure and pseudo-SRA, and may respond to alternative treatment. (+info)Influence of family factors on the incidence of lower respiratory illness during the first year of life. (6/4931)
In a study of a cohort of over 2000 children born between 1963 and 1965, the incidence of bronchitis and pneumonia during their first year of life was found to be associated with several family factors. The most important determinant of respiratory illness in these infants was an attack of bronchitis or pneumonia in a sibling. The age of these siblings, and their number, also contributed to this incidence. Parental respiratory symptoms, including persistent cough and phlegm, and asthma or wheezing, as well as parental smoking habits, had lesser but nevertheless important effects. Parental smoking, however, stands out from all other factors as the one most amenable to change in seeking to prevent bronchitis and pneumonia in infants. (+info)Urinary cotinine and exposure to parental smoking in a population of children with asthma. (7/4931)
BACKGROUND: Studies of the effects of tobacco smoke often rely on reported exposure to cigarette smoke, a measure that is subject to bias. We describe here the relationship between parental smoking exposure as assessed by urinary cotinine excretion and lung function in children with asthma. METHODS: We studied 90 children 4-14 years of age, who reported a confirmed diagnosis or symptoms of asthma. In each child, we assessed baseline pulmonary function (spirometry) and bronchial responsiveness to carbachol stimulation. Urinary cotinine was measured by HPLC with ultraviolet detection. RESULTS: Urinary cotinine concentrations in the children were significantly correlated (P <0.001) with the number of cigarettes the parents, especially the mothers, smoked. Bronchial responsiveness to carbachol (but not spirometry test results) was correlated (P <0.03) with urinary cotinine in the children. CONCLUSION: Passive smoke exposure increases the bronchial responsiveness to carbachol in asthmatic children. (+info)Fragile lung in the Marfan syndrome. (8/4931)
Two cases of the Marfan syndrome presented with spontaneous pneumothorax. Both had chest radiographs showing bilateral bullae in the upper lung zones and pulmonary function tests consistent with mild emphysema. There were dereases in forced expiratory flow rates at low lung volumes, carbon monoxide transfer factor, and lung elastic recoil. It is suggested that pneumothorax and bullous emphysema in this syndrome are caused by a weakness in the pulmonary connective tissue framework. (+info)
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Diseases6
- Pulmonary specialists at Marshfield Clinic treat all types of diseases and conditions of your respiratory system. (marshfieldclinic.org)
- These noninvasive tests-spirometry, the lung diffusion test, and lung plethysmography-are used to help diagnose lung diseases like COPD, as well as to determine how treatment is working and if such a condition is progressing. (verywellhealth.com)
- Pulmonary Function Testing Systems Market: Global Size, Trends, Competitive, Historical & Forecast Analysis, 2019-2025- Increasing prevalence of respiratory diseases, growth in the elderly population and the rising prevalence of lung cancer are the major drivers propelling market growth. (medgadget.com)
- Increasing incidences of lung cancer, as well as other chronic lung-related diseases, is the main factor driving the growth of global pulmonary function testing systems market. (medgadget.com)
- The test may be done to find the cause of breathing problems, diagnose lung diseases, or find out how well treatment for a lung problem is working. (kaiserpermanente.org)
- Patients who have asthma, or other lung diseases, use peak flow meters to objectively monitor their condition, allowing them to stay on top of any impending respiratory issues. (verywell.com)
PFTs8
- Pulmonary function tests (PFTs) are a group of breathing tests. (portsmouthhospital.com)
- Pulmonary function tests (PFTs) are noninvasive tests that show how well the lungs are working. (marshfieldclinic.org)
- There are many different reasons why pulmonary function tests (PFTs) may be done. (marshfieldclinic.org)
- Pulmonary function tests (PFTs) are used to assess various aspects of your lung function. (verywellhealth.com)
- Chapter 5 - Valid Test Chapter 6 - Interpretation of Results and Clinical Correlation Chapter 7 - Clinical Examples Chapter 8 - Other Pulmonary Function Tests Chapter 9 - Medical/Respiratory Surveillance and Longitudinal Changes Chapter 10 - Controversial Topics Chapter 11 - Building a Program to Ensure High Quality Spirometry Results Pulmonary function tests (PFTs) are non-invasive tests that evaluate the respiratory function, essentially how well the lungs are working. (barakservicos.com)
- This pulmonary function tests (PFTs) calculator determines the most commonly tested respiratory parameters and capacities based on easily obtained data and volumes. (barakservicos.com)
- Pulmonary function tests (PFTs) are a series of tests used to gauge how well you breathe. (allergy-testing-and-treatment.com)
- Lung function tests (also called pulmonary function tests, or PFTs) measure how well your lungs work. (informedhealth.org)
Lungs7
- Pulmonary function tests tell your doctor how well your lungs are working. (marshfieldclinic.org)
- The test is done by having your child breathe in a special machine to take measurements of how much air is in his or her lungs. (chp.edu)
- Pulmonary (pool-mo-NARE-ee) function tests measure how well your child's lungs are working. (chp.edu)
- The results of these tests can show if your child's lungs or airways are obstructed (blocked) in any way because of asthma or other conditions that affect breathing. (chp.edu)
- Lung function tests (also called pulmonary function tests) are done to check how well your lungs are working. (kaiserpermanente.org)
- Gas diffusion tests measure the amount of oxygen and other gases that cross the lungs' air sacs (alveoli) per minute. (kaiserpermanente.org)
- Exhaled nitric oxide testing gauges the level of nitric oxide in the lungs. (allergy-testing-and-treatment.com)
Standard pulmonary function tests2
- A computer program to calculate and interpret the standard pulmonary function tests has been developed on a programmable calculator system. (barakservicos.com)
- Not typically considered one of the standard pulmonary function tests, the exhaled nitric oxide (eNO) test measures inflammation of the bronchial tubes and can be useful in diagnosing asthma. (allergy-testing-and-treatment.com)
Impairment2
- The tests reveal problems in breathing and the extent of impairment. (marshfieldclinic.org)
- Lung function assessments are critically important to confirm a diagnosis of asthma , to assess for alternative diagnosis and comorbidity and to characterise the degree of functional impairment. (severeasthma.org.au)
Symptoms1
- You may feel symptoms of your lung condition during or immediately following testing. (portsmouthhospital.com)
Asthma9
- Inhalation challenge tests help identify substances that may be causing severe respiratory allergies or asthma. (kaiserpermanente.org)
- A home lung function test allows you to measure your peak expiratory flow, or PEF, to monitor your asthma control and breathing status. (verywell.com)
- Home lung function tests using a peak flow meter to monitor the day to day status of your asthma. (verywell.com)
- With this in mind, you can expect to view your peak expiratory flow after completing the test and see if you need to take action based on your asthma action plan. (verywell.com)
- Bronchoprovocation testing is recommended for patients with normal results on pulmonary function testing but a history that suggests exercise- or allergen-induced asthma. (barakservicos.com)
- While formal pulmonary function testing is not often (if ever) performed in the ED, many patients with a history of COPD, asthma, CHF, sarcoidosis, etc, have had pulmonary function testing performed in the past. (barakservicos.com)
- Other uses include monitoring a chronic cough and testing the effectiveness of inhaled asthma medication. (allergy-testing-and-treatment.com)
- Standard spirometry can provide information about the extent of decreased lung function in patients with asthma (e.g. (severeasthma.org.au)
- If lung function improves as a result, it is likely to be asthma , rather than COPD or chronic bronchitis . (informedhealth.org)
Tidal4
- Safe tidal volumes can be determined based on patient's height and gender and the rule of thumb of 6 to 8mL per kg of ideal body weight (IBW) where: Normal range for measured tidal volume is 500 - 780 mL. interpreting pulmonary function tests that will allow him or her to recognize and quantitate abnormalities. (barakservicos.com)
- Minute ventilation or minute volume, is defined as the total volume of gas entering (or leaving) the lung per minute and is calculated as product of tidal volume and respiratory rate. (barakservicos.com)
- FOT is used to measure respiratory system impedance during tidal breathing (and other specialised breathing manoeuvres). (severeasthma.org.au)
- It is a tidal breathing measurement of respiratory system (upper and lower airways, lung and chest wall) impedance. (severeasthma.org.au)
System4
- This module considers the respiratory system. (coursera.org)
- The things to do this week are to watch the 8 videos, to answer the in-video questions, to read the notes, and to complete the Respiratory System problem set. (coursera.org)
- Pulmonary function tests system consists of a series of tests to determine and measure the effectiveness of pulmonary inhalation and exhalation functions. (medgadget.com)
- Ultima PFX pulmonary function/stress testing system interfaces to a wide array of external peripheral devices: digital and analog. (mgcdiagnostics.com)
Oxygen1
- Oxygen saturation test to measure the amount of oxygen in the blood. (portsmouthhospital.com)
Airways1
- In this test you inhale medicine to open your airways (a bronchodilator). (informedhealth.org)
Shortness of bre1
- It is not uncommon to experience shortness of breath or lightheadedness during a pulmonary function test. (allergy-testing-and-treatment.com)
Clinical1
- Based on end-user, global pulmonary function testing systems market is classified into hospital/clinical laboratories and diagnostics laboratories. (medgadget.com)
Measures2
- In older children who are able to follow instructions, lung function is checked through a test called spirometry, which measures breath capacity as a child blows out into a tube. (chp.edu)
- The test measures the amount of air you inhale and exhale, and how fast the air is breathed in and out. (informedhealth.org)
Measurement1
- By doing the test regularly you will determine your personal best measurement and what is normal for you. (verywell.com)
Provocation1
- These tests are also called provocation studies. (kaiserpermanente.org)
Infant pulmonary3
- Infant pulmonary function testing (iPFT) is a way to measure the breathing of babies and toddlers. (chp.edu)
- What Is An Infant Pulmonary Function Test (iPFT)? (chp.edu)
- When children are too young-or are unable-to follow instructions, lung function is measured with infant pulmonary function testing (iPFT). (chp.edu)
Plethysmography1
- Vyntus BODY is engineered to conduct body plethysmography to measure lung capacity and other pulmonary functions for patients of all sizes and mobility, offering larger interior space to accommodate patients of any size without increasing the footprint of the cabin. (medgadget.com)
Hospital2
- At Children's Hospital of Pittsburgh of UPMC, we believe parents and guardians can contribute to the success of this test and invite you to participate. (chp.edu)
- This test may be done as an outpatient test through the Same Day Surgery Center at Children's Hospital or while your child is a patient in the hospital. (chp.edu)
Illness1
- Test results may also indicate whether factors affecting your pulmonary function (such as illness or medication) are helping or hurting you. (allergy-testing-and-treatment.com)
Types of lung funct1
- There are many types of lung function tests. (kaiserpermanente.org)
DLco1
- In the text below the form there is more information about DLCO and about pulmonary function tests. (barakservicos.com)
FEV11
- At this time however, the preponderance of evidence and opinion is in favor of the LLN so the recommendation has to be for those interpreting pulmonary function tests to use the LLN for all reference values, including the FEV1/FVC ratio, unless there are clear and overwhelming reasons not to. (barakservicos.com)
Disease2
- Although there are a number of systems to choose from when it comes to interpreting the readings from your spirometry test, the table below is the method recommended by the Global Initiative for Obstructive Lung Disease (GOLD). (verywellhealth.com)
- One of the most significant reasons to conduct a six-minute walk test is to measure the response to medical intervention in a patient with moderate to severe heart or lung disease.2 Because some, especially the elderly, may be unable to perform the standard treadmill-based exercise test used to evaluate exercise capacity, the six-minute walk test was developed as a valid alternative. (barakservicos.com)
Results9
- Your doctor will compare the results of your tests with normal values based on your age, gender, and height, or previous test results. (portsmouthhospital.com)
- Your doctor will discuss the results with you and decide if further testing or treatment is needed. (portsmouthhospital.com)
- The amount of air inhaled and exhaled in your test results are compared to the average for someone of the same age, height, sex, and race. (marshfieldclinic.org)
- Results are also compared to any of your previous test results. (marshfieldclinic.org)
- If you have abnormal PFT measurements or if your results have changed, you may need other tests. (marshfieldclinic.org)
- To prepare for performing a home lung function test you simply need to own a peak flow meter and a chart that shows your expected results. (verywell.com)
- Always stay in the same position throughout the test so that results are not affected. (verywell.com)
- MGC Diagnostics' supplies are the only recommended supplies for use with MGC Diagnostics equipment to achieve accurate, validated test results that meet ATS and ERS standards. (mgcdiagnostics.com)
- If a PFT is used solely to monitor your pulmonary function, you may receive the results and an explanation of what they mean. (allergy-testing-and-treatment.com)
Measure4
- iPFT uses special equipment to measure lung function while the child is asleep. (chp.edu)
- Before doing a home lung function test to measure your PEF, be sure to remove any excess saliva, food, or gum you may have in your mouth. (verywell.com)
- Peak flow is a test used to measure the amount and rate of your inhales and exhales. (allergy-testing-and-treatment.com)
- Spirometry is the basic test used to measure lung function. (informedhealth.org)
Decline2
- At this stage, the patient is probably unaware that lung function is starting to decline. (verywellhealth.com)
- Of course early and swift respiratory decline is concerning but she has only had 2 tests so far. (alsforums.com)
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