• Older patients with a history of orthostatic intolerance, unexplained syncope and fall trauma, and negative result of active standing test should be further evaluated using cardiovascular autonomic tests such as head-up tilt testing, Valsalva maneuver, and carotid sinus massage. (lu.se)
  • This observational study evaluated the effects of type 2 diabetes on cerebral vasoregulation and functional outcomes, measured by blood flow responses to hypocapnia and hypercapnia, Valsalva maneuver, head-up tilt, and sit-to-stand test. (physionet.org)
  • Autonomic dysfunction in patients with orthostatic dizziness: validation of orthostatic grading scale and comparison of Valsalva maneuver and head-up tilt testing results. (koreamed.org)
  • BACKGROUND AND PURPOSE: MR imaging is currently not used to evaluate CSF flow changes due to short-lasting physiological maneuvers. (elsevierpure.com)
  • This review focuses on the impact of normal respiratory cycle and provocative respiratory maneuvers in echocardiographic examination, both in physiological and pathological states, emphasizing their applications in specific clinical situations. (biomedcentral.com)
  • For this evaluation, some tests have been used since the invasive through block pharmacological (single or double lock of the cardiac sympathetic and parasympathetic) 7,8 , even by physiological maneuvers not invasive as Valsalva 9 maneuver, active 10,11 or passive 12 postural maneuver, realization of respiratory sinus arrhythmia 13 , immersion of the face or hand in cold water test 14 or change in altitude 15 . (bvsalud.org)
  • Continuous blood pressure and ECG were recorded during orthostatic stress test, respiratory sinus arrhythmia, and Valsalva maneuver. (biomedcentral.com)
  • Fifteen individuals with DM and twelve healthy ones were evaluated during cardiovascular autonomic tests of maneuver enhancement of respiratory sinus arrhythmia (RSA), handgrip and Valsalva. (bvsalud.org)
  • 1,2 This process is similar physiologically to the use of a Valsalva maneuver to terminate supraventricular tachycardia.² The postulated mechanism in this patient is the generation of vagally mediated bradycardia precipitated by the acute increase in intrathoracic pressure causing progression of this patient's bifascicular block to a third-degree AV block. (apsf.org)
  • 2015 ACC/AHA/HRS guideline for the management of adult patients with supraventricular tachycardia: a report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. (iem-student.org)
  • In a clinical setting, the Valsalva maneuver-induced with a forceful exhalation into a tube for 15 seconds-can arrest episodes of supraventricular tachycardia or can help identify certain cardiac abnormalities. (reviewofoptometry.com)
  • 1. Smith G. Management of supraventricular tachycardia using the Valsalva manoeuvre: a historical review and summary of published evidence. (reviewofoptometry.com)
  • A work-in-progress real-time pencil-beam imaging method with temporal resolution ≤56 ms was used to scan 2 participants for 90 seconds during which resting, Valsalva, and post-Valsalva CSF flow, respiration, and HR were continuously recorded. (elsevierpure.com)
  • Reflex syncope may manifest as orthostatic vasovagal reflex, situational syncope, or carotid sinus hypersensitivity, which becomes a clinical syndrome when associated with history of unexplained syncope and positive provocation test, carotid sinus massage. (lu.se)
  • The Valsalva maneuver is performed by a forceful attempt of exhalation against a closed airway, usually done by closing one's mouth and pinching one's nose shut while expelling air out as if blowing up a balloon. (wikipedia.org)
  • As activities or diseases with significant Valsalva effort can generate increased intracranial pressures, we hypothesize that individuals who frequently perform strong Valsalva maneuvers (e.g., long hours of repetitive heavy lifting, sequences of blows during the playing of a wind instrument, forceful and repetitive cough, bearing-down efforts during parturition) may be more susceptible to developing Alzheimers disease. (eurekaselect.com)
  • If no hernia is palpable, the patient should cough or perform a Valsalva maneuver as the examiner palpates the groin (with a finger in the inguinal canal in males). (msdmanuals.com)
  • Right atrial pressures were measured in the periprocedural period, and RLS were graded according to standard methods during these maneuvers. (elsevierpure.com)
  • Through of the evaluation for HRV autonomic maneuvers can identify objectively cardiovascular autonomic neuropathy early stages and provide treatment options that based on control of symptoms and prevention of disease progression. (bvsalud.org)
  • Some patients with a high clinical suspicion of PFO have inconclusive echocardiographic study results. (elsevierpure.com)
  • To see how well it works, the team randomized 10 women and 38 men about equally to four removal techniques: the standard expire Valsalva, the standard inspire Valsalva, and two balloon maneuvers - blowing the balloon up after a deep breath and blowing it up with residual lung volume after an initial exhalation. (mdedge.com)
  • Motion artifacts and reduced signal-to-noise ratio, compared with clinical grade equipment, results in a highly variable signal quality that can change significantly from moment to moment. (jmir.org)
  • After measuring 29 young, healthy individuals at baseline, phase 2 and phase 4 of the maneuver, the study found that, in phase 2 compared with baseline, heart rate variability, IOP (15.1±2.7mm Hg vs. 18.8 ± 3.5 mm Hg), mean area of Schlemm's canal (7712.112µm 2 vs. 8921.12μm 2 ) and pupil diameter increased significantly, whereas iridiocorneal angle parameters decreased significantly. (reviewofoptometry.com)
  • The area of the levator hiatus increased significantly in the Valsalva maneuver in patients with lesions in the MPV. (ndltd.org)
  • Valsalva-CT shows very high specificity and high accuracy for the diagnosis of inguinal hernia . (bvsalud.org)
  • The diagnosis of an inguinal hernia is clinical. (msdmanuals.com)
  • Clinical and radiological findings led to the diagnosis of pneumomediastinum, which was treated conservatively. (who.int)
  • Diagnostic performance of CT with Valsalva maneuver for the diagnosis and characterization of inguinal hernias. (bvsalud.org)
  • The purpose of this study was to evaluate the diagnostic performance of CT with Valsalva maneuver for the diagnosis and characterization of inguinal hernias . (bvsalud.org)
  • Diagnosis is clinical. (msdmanuals.com)
  • The purpose of this study was to review the pathophysiology mechanisms and clinical features of arterial and venous thrombosis and to provide guidance for further research on the pathophysiological mechanism, clinical diagnosis, and treatment of venous thrombosis. (frontiersin.org)
  • The aim is to provide a reference for a comprehensive understanding of venous thrombosis and a scientific understanding of various pathophysiological mechanisms and clinical features related to venous thrombosis, which will contribute to understanding the pathogenesis of intravenous stroke and provide insight into diagnosis, treatment, and prevention. (frontiersin.org)
  • When clinically advisable, appropriate vagal maneuvers (e.g. (nih.gov)
  • Thus, within the field of sports cardiology, there are two major clinical concerns: identifying athletes with life-threatening cardiovascular disease before competition, and prescribing safe limits on level of exercise intensity for those individuals with known cardiovascular disease. (musculoskeletalkey.com)
  • Clinical symptoms of OH (dizziness and cognitive decline) suggest cerebral hypoperfusion. (physionet.org)
  • To assess whether clinical signs and symptoms differed between patients with and without these complications. (thechipnetwork.org)
  • He described the Eustachian tube and the maneuver to test its patency (openness). (wikipedia.org)
  • Both exercise and Valsalva maneuvers increased the diagnostic yield on CE-TTE. (thechipnetwork.org)
  • Due to the lack of a full understanding of venous thrombosis, as well as its diverse clinical manifestations and neuroimaging features, there are often delays in admission for it, and it is easy to misdiagnose. (frontiersin.org)
  • To date, there are more extensive and comprehensive studies on arterial thrombosis, with few clinical and basic studies on venous thrombosis, which greatly limits our understanding of venous thrombosis and the development of related drugs. (frontiersin.org)
  • The real-time capability of pencil-beam imaging may be necessary to detect Valsalva-related transient CSF flow obstruction in patients with pathologic conditions such as Chiari I malformation. (elsevierpure.com)
  • Sore throat has also been reported in some patients early in the clinical course. (uiowa.edu)
  • Instead of standard inhale or exhale Valsalva maneuvers, they have their patients blow up a party balloon as the tube is pulled. (mdedge.com)
  • First, it's easy to explain and for patients to understand and do - not much more instruction is required than "blow up the balloon" - and, secondly, the inflating balloon is a visual check to make sure patients are doing the maneuver correctly. (mdedge.com)
  • The balloon method is being used there now in nontrauma patients, as well, but the standard maneuvers are also being used until the balloon technique shows statistically significant benefits, he said. (mdedge.com)
  • Changes caused by the Valsalva maneuver in healthy young individuals may carry no clinical significance, although for patients with high risk factors of glaucoma, we suggest avoiding repeating the maneuver in daily life," the researchers wrote. (reviewofoptometry.com)
  • Study of patients with autonomic dysfunction must be made by an expert physician who must also assess clinical/lab findings (3) . (journalofneuropsychiatry.cl)
  • The physician should then ask the patient to perform a Valsalva maneuver, which distends the veins of the pampiniform plexus and accentuates physical findings. (medscape.com)
  • The patient should perform the Valsalva maneuver while standing so he can be evaluated for a mass of dilated testicular veins in the spermatic cord forming a varicocele above and behind the testis. (aafp.org)
  • Patient care resources, including clinical and surgical processes, and COVID-19 information for UI Health Care clinicians. (uiowa.edu)
  • However, certain characteristics of a patient or a clinical situation may render laryngoscopy cumbersome or even hazardous. (medscape.com)
  • This single-center retrospective study reviewed all consecutive Valsalva-CT studies between 2018 and 2019. (bvsalud.org)
  • However, it is noteworthy that they are few studies have analyzed HRV during not invasive autonomic maneuvers in individuals with DM. (bvsalud.org)
  • 15. Baloh RW, Honrubia V. Clinical neurophysiology of the vestibular system. (koreamed.org)
  • When you Valsalva, you're protecting your spine," says Dr. Belisa Vranich , clinical psychologist and author of Breathe: The Simple, Revolutionary 14-Day Program to Improve your Mental and Physical Health . (pyradomeprocessing.com)
  • For the Valsalva maneuver , you will breathe out forcefully through a mouthpiece while your nose is pinched shut. (medlineplus.gov)
  • Variations of the maneuver can be used either in medical examination as a test of cardiac function and autonomic nervous control of the heart, or to clear the ears and sinuses (that is, to equalize pressure between them) when ambient pressure changes, as in scuba diving, hyperbaric oxygen therapy, or air travel. (wikipedia.org)
  • After resting for 10 minutes, a Valsalva maneuver test was performed twice. (physionet.org)
  • Clinical evaluation, laboratory test and assessment of diabetic complication were completed. (e-dmj.org)
  • Deep Breathing Test and Valsalva Maneuver. (medlineplus.gov)
  • Sensitivity , specificity , and accuracy of Valsalva-CT for the detection of inguinal hernias was computed for each reader. (bvsalud.org)
  • The purpose of this study was to evaluate the ability of MR imaging to assess the CSF flow response to a Valsalva maneuver in healthy participants. (elsevierpure.com)
  • MATERIALS AND METHODS: A cardiac-gated fast cine-PC sequence with ≤15-second acquisition time was used to assess CSF flow in 8 healthy participants at the foramen magnum at rest, during, and immediately after a controlled Valsalva maneuver. (elsevierpure.com)
  • Clinical grade accuracy was achieved for all buttocks electrocardiogram measures compared with standard Lead II. (jmir.org)
  • Main Outcome Measures: Tympanometry, Valsalva or Toynbee maneuver with tympanometry verification, Eustachian Tube Dysfunction Questionnaire, and pure-tone audiometry. (osu.cz)
  • Despite the clinical efficacy of recently developed polyvalent prophylactic HPV vaccines, these preventive measures are not effective against pre-existing infections. (archivog.com)
  • citation needed] The technique is named after Antonio Maria Valsalva, a 17th-century physician and anatomist from Bologna whose principal scientific interest was the human ear. (wikipedia.org)
  • 1,2 However, complications are possible when the maneuver is performed either too forcefully or for too long. (reviewofoptometry.com)
  • Measurements captured from a toilet seat-based buttocks electrocardiogram were compared with a simultaneously captured 12-lead clinical grade ECG. (jmir.org)
  • RESULTS: Both methods showed 1) a decrease from baseline in V̄ CSF and A pp during Valsalva and 2) an increase in V̄ CSF and A immediately after Valsalva compared with values measured both at rest and during Valsalva. (elsevierpure.com)
  • Their results lead the researchers to suggest that the expansion and collapse of Schlemm's canal in different phases of the maneuver may be caused by changes in autonomic nervous system activity, while the maneuver's effect on IOP may relate to changes in blood flow and ocular anatomy. (reviewofoptometry.com)
  • Whereas fast cine-PC produced a single CSF flow waveform that is an average over many cardiac cycles, pencil-beam imaging depicted waveforms for each heartbeat and was able to capture many dynamic features of CSF flow, including transients synchronized with the Valsalva maneuver. (elsevierpure.com)
  • Effect of the Valsalva maneuver on cardiac-coronary interaction assessed by wave intensity analysis. (reviewofoptometry.com)
  • A joint evaluation of clinical findings and autonomic functional tests allow to determine the anatomic level and the severity degree of the autonomic dysfunction with a physiopathologic base. (journalofneuropsychiatry.cl)
  • Even so, the party balloon technique appears to be "easier and safer" than standard maneuvers, as well as "reproducible and cheap, and it can prevent recurrent pneumothorax. (mdedge.com)
  • Methods This study reviewed clinical records of 49 women who underwent cystocele repair. (hokudai.ac.jp)
  • 3 To better understand the maneuver's ocular effects, a study based in China analyzed changes in IOP, Schlemm's canal, autonomic nervous system activity and iridocorneal angle morphology in healthy individuals during the four different phases of the maneuver. (reviewofoptometry.com)
  • Study Design: Randomized clinical trial. (osu.cz)
  • This study aimed to determine the incidence and risk factors and describe the clinical aspects of polyneoplasia of the female reproductive system for 2010-2021 in women seen at the Medical and Rehabilitation Center of the Ministry of Health of Russia, Moscow, and the University Clinical Hospital No. 4 of the I.M. Sechenov First Moscow State Medical University. (archivog.com)
  • Valsalva is also used by dentists following extraction of a maxillary molar tooth. (wikipedia.org)
  • In this paper, we discuss three hypotheses about the mechanisms by which extensive use of the Valsalva maneuver might contribute to the neuropathogenesis of Alzheimers disease: via mechanical stress-induced events in the hippocampus and/or via changes in the secretory process of the choroid plexus and/or via hemodynamic changes in cerebral blood flow. (eurekaselect.com)
  • Clinical evaluation was performed with the Cleveland Clinic Florida incontinence score (CCF), functional evaluation with anorectal manometry and anatomical assessment with three-dimensional ultrasound. (ndltd.org)
  • There are clinical trials looking at the benefit of Enterosgel in IBS-D. (epiphanyasd.com)
  • If confirmed, this hypothesis could have implications in clinical practice. (eurekaselect.com)
  • In clinical practice, SVTs are likely to present as narrow regular complex tachycardias. (iem-student.org)
  • It is safer, if time permits, to attempt to open the Eustachian tubes by swallowing a few times, or yawning, or by using the Valsalva technique of breathing a very small amount of air gently into nostrils held closed by the fingers as soon as mild pressure is felt, before it increases to the point that its release would be painful. (wikipedia.org)
  • A substantial barrier to the clinical adoption of cuffless blood pressure (BP) monitoring techniques is the lack of unified error standards and methods of estimating measurement uncertainty. (nature.com)
  • A composite clinical reference standard including surgery was used. (bvsalud.org)
  • That produces the same Valsalva effects as the standard maneuvers, but with two significant advantages. (mdedge.com)
  • Lung injuries, rib fractures, and tube suction were a bit more common in the standard maneuver groups. (mdedge.com)
  • The use of signal quality classification algorithms and robust feature delineation algorithms designed to achieve high accuracy on poor quality physiologic signals can prove beneficial in addressing concerns associated with measurement accuracy, confidence, and clinical validity. (jmir.org)
  • There was no statistically significant associations between clinical characteristics (including oxygen saturation at rest or exercise) and the presence of baffle leaks. (thechipnetwork.org)