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

Introduction Cardiac Emergencies01:30

Introduction Cardiac Emergencies

66
Cardiac emergencies are critical situations involving the heart that require immediate medical intervention to prevent severe complications or death. These emergencies often arise from underlying heart conditions that impair the heart's ability to function correctly.Types of Cardiac EmergenciesThe most common types of cardiac emergencies include Acute Coronary Syndrome (ACS), myocardial infarction (MI), cardiac arrest, and heart failure.Acute Coronary Syndrome (ACS)Acute Coronary Syndrome (ACS)...
66
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

78
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...
78
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

65
Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
65
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

99
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
99
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

321
The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
321
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

267
Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
267

You might also read

Related Articles

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

Sort by
Same author

Pediatric cardiology in India - In search of a holistic solution.

Annals of pediatric cardiology·2024
Same author

Indian Guidelines for Indications and Timing of Intervention for Common Congenital Heart Diseases: Revised and Updated Consensus Statement of the Working Group on Management of Congenital Heart Diseases. Abridged Secondary Publication.

Indian pediatrics·2020
Same author

Guidelines for the management of common congenital heart diseases in India: A consensus statement on indications and timing of intervention.

Indian heart journal·2019
Same author

Indian guidelines for indications and timing of intervention for common congenital heart diseases: Revised and updated consensus statement of the Working group on management of congenital heart diseases.

Annals of pediatric cardiology·2019
Same author

Education as important predictor for successful employment in adults with congenital heart disease worldwide.

Congenital heart disease·2019
Same author

Physical Activity-Related Drivers of Perceived Health Status in Adults With Congenital Heart Disease.

The American journal of cardiology·2018
Same journal

Do we need a pediatric cardiac critical care registry in India?

Annals of pediatric cardiology·2026
Same journal

Prenatal therapy of everolimus for large fetal cardiac rhabdomyoma in tuberous sclerosis.

Annals of pediatric cardiology·2026
Same journal

Non-surgical management of post-Ross left ventricular pseudoaneurysm assisted by virtual reality imaging.

Annals of pediatric cardiology·2026
Same journal

Double trouble in tetralogy: Rare sequential pseudoaneurysms managed by distinct surgical and endovascular approaches.

Annals of pediatric cardiology·2026
Same journal

Emerging therapeutic strategies for the failing Fontan circulation.

Annals of pediatric cardiology·2026
Same journal

A randomized controlled trial of electrical cardiometry-guided perioperative hemodynamic management in children undergoing cardiac surgery.

Annals of pediatric cardiology·2026
See all related articles

Related Experiment Video

Updated: Oct 16, 2025

Real-time Pressure-volume Analysis of Acute Myocardial Infarction in Mice
07:28

Real-time Pressure-volume Analysis of Acute Myocardial Infarction in Mice

Published on: July 2, 2018

9.2K

Avalanches in cardiology.

Raghavan Subramanyan1

  • 1Department of Pediatric Cardiology, Frontier Lifeline Hospital, Chennai, Tamil Nadu, India.

Annals of Pediatric Cardiology
|October 20, 2021
PubMed
Summary
This summary is machine-generated.

Sudden cardiac death (SCD) can result from right ventricular (RV) overload, not just left ventricular issues. Understanding RV decompensation is key to preventing fatal "cardiac avalanches."

Keywords:
Circulatory collapsenonarrhythmic deathsudden death

More Related Videos

Tissue Preparation Techniques for Contrast-Enhanced Micro Computed Tomography Imaging of Large Mammalian Cardiac Models with Chronic Disease
12:15

Tissue Preparation Techniques for Contrast-Enhanced Micro Computed Tomography Imaging of Large Mammalian Cardiac Models with Chronic Disease

Published on: February 8, 2022

2.7K
Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

1.1K

Related Experiment Videos

Last Updated: Oct 16, 2025

Real-time Pressure-volume Analysis of Acute Myocardial Infarction in Mice
07:28

Real-time Pressure-volume Analysis of Acute Myocardial Infarction in Mice

Published on: July 2, 2018

9.2K
Tissue Preparation Techniques for Contrast-Enhanced Micro Computed Tomography Imaging of Large Mammalian Cardiac Models with Chronic Disease
12:15

Tissue Preparation Techniques for Contrast-Enhanced Micro Computed Tomography Imaging of Large Mammalian Cardiac Models with Chronic Disease

Published on: February 8, 2022

2.7K
Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

1.1K

Area of Science:

  • Cardiology
  • Pathophysiology
  • Medical Research

Background:

  • Sudden cardiac death (SCD) is a major cause of mortality in heart disease patients.
  • Ventricular tachyarrhythmia, often cited, explains only a fraction of SCD cases.
  • Implantable cardioverter-defibrillators show variable success in preventing SCD.

Purpose of the Study:

  • To explore the pathophysiology of SCD in right ventricular (RV) overload states.
  • To review RV adaptive and decompensatory mechanisms.
  • To identify therapeutic strategies to prevent SCD in RV overload.

Main Methods:

  • Literature review on RV overload and SCD.
  • Analysis of compensatory mechanisms in advanced cardiac disease.
  • Comparison of RV and left ventricular (LV) dysfunction in SCD.

Main Results:

  • A significant proportion of SCD may stem from circulatory failure, not just arrhythmias.
  • RV overload conditions, like pulmonary arterial hypertension, are increasingly recognized as SCD causes.
  • Limited data exists on RV adaptation and decompensation compared to LV.

Conclusions:

  • SCD in RV overload states requires further investigation into its unique mechanisms.
  • Understanding RV decompensation is crucial for developing targeted therapies.
  • Preventing "cardiac avalanches" in RV overload may involve interrupting specific triggers and decompensatory pathways.