Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Assessment of the Cardiovascular System I: Subjective Data01:23

Assessment of the Cardiovascular System I: Subjective Data

371
A thorough health history and physical assessment are essential for identifying cardiovascular disease (CVD) symptoms and distinguishing them from other health issues.
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
371
Assessment of the Cardiovascular System III: Palpation01:27

Assessment of the Cardiovascular System III: Palpation

390
Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
390
Cardiovascular System Abnormal Findings I: Inspection and Palpation01:29

Cardiovascular System Abnormal Findings I: Inspection and Palpation

447
In a cardiovascular examination, inspection and palpation are crucial for identifying abnormalities.
Abnormal findings observed during an inspection
447
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

19
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
19
Assessment of the Cardiovascular System II: Inspection01:29

Assessment of the Cardiovascular System II: Inspection

294
Inspection is the initial step in assessing the cardiovascular system. It involves a detailed visual examination that provides crucial information about a patient's circulatory and cardiac health. This systematic process, conducted from head to toe, helps identify signs of cardiovascular conditions by observing physical appearance, skin and mucous membranes, jugular and carotid pulsations, chest symmetry, and the condition of the extremities.
Head and Neck
294
Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

720
The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's...
720

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Radiographic measurement of the Achilles tendon for diagnosis of familial hypercholesterolemia.

Journal of clinical lipidology·2026
Same author

Leadless Pacemaker in Bradyarrhythmia After Transcatheter Aortic Valve Replacement: A Meta-Analysis.

Cardiology in review·2026
Same author

Lower-extremity muscle quality asymmetry in older adult fallers and non-fallers: a phase angle analysis.

BMC geriatrics·2026
Same author

Strengthening care and research in ALS in Southeast Asia: a call for action.

Amyotrophic lateral sclerosis & frontotemporal degeneration·2026
Same author

Diagnostic Accuracy of the Combined Bedside Tests (Icepack and Fatigability) in Diagnosing Juvenile Myasthenia Gravis.

Journal of child neurology·2026
Same author

Prognostic value of ankle-brachial index and cardio-ankle vascular index for mortality and cardiovascular events in older people with HIV on long-term ART.

HIV medicine·2026

Related Experiment Video

Updated: Jul 25, 2025

Quantitative Autonomic Testing
11:40

Quantitative Autonomic Testing

Published on: July 19, 2011

56.9K

Syncope with autonomic dysfunction assessed with the Thai-COMPASS 31 questionnaire.

Nithit Singtokum1, Jakkrit Amornvit2,3, Stephen Kerr4

  • 1Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.

Heliyon
|June 26, 2023
PubMed
Summary

Autonomic dysfunction varies by syncope type, with orthostatic hypotension showing the highest impairment. The Composite Autonomic Symptom Score 31 (COMPASS 31) aids in classifying syncope and predicting recurrence.

Keywords:
Autonomic nervous systemDysautonomiaSyncopeSyncope due to orthostatic hypotensionVasovagal syncope

More Related Videos

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
05:48

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology

Published on: September 21, 2018

10.2K
Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
04:33

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression

Published on: April 26, 2024

742

Related Experiment Videos

Last Updated: Jul 25, 2025

Quantitative Autonomic Testing
11:40

Quantitative Autonomic Testing

Published on: July 19, 2011

56.9K
Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
05:48

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology

Published on: September 21, 2018

10.2K
Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
04:33

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression

Published on: April 26, 2024

742

Area of Science:

  • Neurology
  • Cardiology
  • Autonomic Neuroscience

Background:

  • Autonomic dysfunction is central to syncope pathophysiology, including orthostatic hypotension and reflex syncope.
  • Understanding variations in autonomic dysfunction across syncope types is crucial for diagnosis and management.

Purpose of the Study:

  • To differentiate autonomic dysfunction levels among syncope subtypes.
  • To assess the relationship between autonomic dysfunction severity and syncope recurrence.

Main Methods:

  • Retrospective cohort study involving 306 participants (195 syncope, 109 controls).
  • Autonomic function assessed using the Thai version of the Composite Autonomic Symptom Score 31 (COMPASS 31) questionnaire.

Main Results:

  • Participants with orthostatic hypotension and reflex syncope exhibited significantly higher COMPASS 31 scores than controls and presyncope groups.
  • The orthostatic hypotension group had the highest COMPASS 31 scores.
  • A COMPASS 31 cutoff score of 32.9 demonstrated 50.0% sensitivity and 81.9% specificity for predicting syncope recurrence.

Conclusions:

  • The degree of autonomic dysfunction, measured by COMPASS 31, differs across syncope types.
  • COMPASS 31 is a valuable, user-friendly tool for assessing autonomic function, aiding in syncope classification and recurrence prediction for better patient management.