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

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

963
Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
963
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

746
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
746
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

330
A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
330
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

476
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
476
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

597
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
597
Uncertainty in Measurement: Reading Instruments02:46

Uncertainty in Measurement: Reading Instruments

54.2K
Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...
54.2K

You might also read

Related Articles

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

Sort by
Same author

Exertional Heat Illness in Active Populations.

NEJM evidence·2026
Same author

Acute rhabdomyolysis as the presenting symptom in two females with a DMD mutation.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·2026
Same author

Mitochondrial Dysfunction in Sickle Cell Trait Carriers With Exertional Collapse.

Case reports in genetics·2025
Same author

Exertional Heat Illness Recovery and Recurrence.

Military medicine·2025
Same author

Exertional Heat Illness Complications and Prognosis Among Service Members.

Journal of occupational and environmental medicine·2025
Same author

RNA Sequencing on Muscle Biopsies from Exertional Rhabdomyolysis Patients Revealed Down-Regulation of Mitochondrial Function and Enhancement of Extracellular Matrix Composition.

Genes·2025
Same journal

Injury surveillance during the 2024 under 20s Men's European Field Lacrosse Championships.

The Physician and sportsmedicine·2026
Same journal

Understanding health insurance and the delay in care for partial meniscectomies: a comparison between public and private coverage.

The Physician and sportsmedicine·2026
Same journal

Injury incidence and risk factors in youth American football versus soccer: a national emergency department analysis.

The Physician and sportsmedicine·2026
Same journal

Links between concussion history, hypertension, and hypertension contributing factors among adolescent football athletes.

The Physician and sportsmedicine·2026
Same journal

Core muscle endurance and balance as predictors of lateral ankle sprain in adolescent team-sport athletes: a prospective cohort study.

The Physician and sportsmedicine·2026
Same journal

Impact of Achilles tendon rupture on performance and career outcomes in NFL players: a matched cohort study.

The Physician and sportsmedicine·2026
See all related articles

Related Experiment Video

Updated: Feb 16, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
12:17

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

Published on: May 21, 2017

11.9K

Asymptomatic Aortic Insufficiency in a Runner.

Francis G O'Connor, Warren S Levy, Ralph G Oriscello

    The Physician and Sportsmedicine
    |December 28, 2017
    PubMed
    Summary
    This summary is machine-generated.

    Severe aortic insufficiency can be asymptomatic in young athletes, highlighting the importance of preparticipation screenings. Early detection via murmur auscultation and activity modification are crucial for managing cardiac pathology.

    More Related Videos

    Aortic Ring Assay
    09:12

    Aortic Ring Assay

    Published on: November 24, 2009

    32.2K
    Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
    14:14

    Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

    Published on: December 11, 2017

    14.8K

    Related Experiment Videos

    Last Updated: Feb 16, 2026

    Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
    12:17

    Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

    Published on: May 21, 2017

    11.9K
    Aortic Ring Assay
    09:12

    Aortic Ring Assay

    Published on: November 24, 2009

    32.2K
    Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
    14:14

    Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

    Published on: December 11, 2017

    14.8K

    Area of Science:

    • Cardiology
    • Sports Medicine
    • Diagnostic Imaging

    Background:

    • Aortic insufficiency can present asymptomatically in young, active individuals.
    • Preparticipation examinations are vital for detecting cardiac abnormalities in athletes.

    Purpose of the Study:

    • To illustrate a case of undiagnosed severe aortic insufficiency in a college sprinter.
    • To emphasize the role of early detection and management of aortic regurgitation.

    Main Methods:

    • Case report of a 21-year-old male college sprinter.
    • Initial detection through a cardiac murmur during a preparticipation exam.
    • Diagnostic workup including echocardiography and exercise multiple gated acquisition (MUGA) scan.

    Main Results:

    • Severe aortic regurgitation was confirmed by echocardiography.
    • Abnormal ejection fractions were identified using a MUGA scan.
    • Successful aortic valve replacement was performed.

    Conclusions:

    • Asymptomatic severe aortic insufficiency can be missed without thorough cardiac evaluation.
    • Activity modification and timely valve replacement are key interventions.
    • Multidisciplinary guidance is essential for an athlete's safe return to sport.