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

Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Measurement of Blood Pressure01:17

Measurement of Blood Pressure

Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a stethoscope.
Muscle Recovery and Fatigue01:24

Muscle Recovery and Fatigue

Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective response...
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
Blood Pressure Imbalances and Circulatory Shock01:24

Blood Pressure Imbalances and Circulatory Shock

Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
Decreased pulse rate01:14

Decreased pulse rate

Bradycardia is a medical condition in which the heart rate is slower than normal. It occurs when the heart's natural pacemaker, the sinus node, generates slower electrical impulses than the standard rhythm. In adults, bradycardia is diagnosed when the pulse rate falls below 60 beats per minute, indicating a deviation from the normal heart rate range.
There are specific risk factors that can elevate the likelihood of developing bradycardia. Advanced age is a significant factor, with bradycardia...

You might also read

Related Articles

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

Sort by
Same author

Psychological and physiological factors associated with tilt table testing for neurally mediated syncopal syndromes.

Pacing and clinical electrophysiology : PACE·2001
Same author

Review: The postural orthostatic tachycardia syndrome: current concepts in pathophysiology diagnosis and management.

Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing·2001
Same author

Syncope resulting from autonomic insufficiency syndromes associated with orthostatic intolerance.

The Medical clinics of North America·2001
Same author

[Idiopathic orthostatic tachycardia. Etiology, diagnosis and treatment].

Archives des maladies du coeur et des vaisseaux·2001
Same author

The accident.

Pacing and clinical electrophysiology : PACE·2001
Same author

On the death of my father.

Pacing and clinical electrophysiology : PACE·2001

Related Experiment Video

Updated: May 20, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

Syncope in the athlete.

B P Grubb1, B Karabin

  • 1Cardiology, The University of Toledo College of Medicine, 3000 Arlington Avenue, 43614, Toledo, OH, USA. blair.grubb@utoledo.edu

Herzschrittmachertherapie & Elektrophysiologie
|July 28, 2012
PubMed
Summary
This summary is machine-generated.

Syncope in athletes warrants thorough evaluation to rule out sudden cardiac death risks. Prompt diagnosis ensures safe return to sports and prevents potentially fatal cardiac events.

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

A Neuroscientific Approach to the Examination of Concussions in Student-Athletes
11:32

A Neuroscientific Approach to the Examination of Concussions in Student-Athletes

Published on: December 8, 2014

Related Experiment Videos

Last Updated: May 20, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

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

A Neuroscientific Approach to the Examination of Concussions in Student-Athletes
11:32

A Neuroscientific Approach to the Examination of Concussions in Student-Athletes

Published on: December 8, 2014

Area of Science:

  • Sports Medicine
  • Cardiology
  • Athletic Training

Background:

  • Syncope (fainting) in athletes can be a critical warning sign for sudden cardiac death.
  • A comprehensive evaluation is essential for athletes experiencing syncope.

Purpose of the Study:

  • To outline the necessary steps for evaluating syncope in athletes.
  • To identify underlying structural or electrical heart disease that may lead to sudden cardiac death.
  • To provide guidance on safely returning athletes to physical activity.

Main Methods:

  • Detailed patient history, including event specifics and bystander accounts.
  • Thorough physical examination.
  • Individualized diagnostic testing based on clinical suspicion.

Main Results:

  • Evaluation aims to detect serious cardiac conditions.
  • Absence of heart disease allows for safe return to athletic activity.
  • Proper assessment prevents adverse cardiac events and ensures athlete well-being.

Conclusions:

  • Thorough evaluation of syncope in athletes is crucial for preventing sudden cardiac death.
  • Diagnostic workup should guide decisions on resuming athletic participation.
  • Early detection and management of cardiac issues ensure athlete safety and continued participation in sports.