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

Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for diagnosing...
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
Electrocardiogram01:29

Electrocardiogram

An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and the T...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...

You might also read

Related Articles

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

Sort by
Same author

Hype or hope? The potential of melatonin for delirium prevention in the intensive care unit.

Critical care science·2026
Same author

Effectiveness and safety of melatoninergic agonists in preventing delirium in the ICU: an updated dose‒response meta-analysis of randomized controlled trials.

Critical care (London, England)·2026
Same author

Venous thromboembolism and secondary outcomes of bleeding and mortality in patients with gliomas: a multicenter cohort study.

Frontiers in oncology·2026
Same author

Timing of Onset of Persistent Critical Illness in Brazil: A Nested Secondary Analysis of the IMPACTO-MR Cohort Study.

Critical care medicine·2026
Same author

A critical use of peripherally inserted central catheters in the intensive care unit.

Critical care science·2026
Same author

A noninvasive method for assessing optimal cerebral perfusion pressure.

Critical care (London, England)·2026

Related Experiment Video

Updated: Jun 18, 2026

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

Echocardiography in cardiac resynchronization therapy.

Viviane Cordeiro Veiga1, Henry Abensur, Salomón Soriano Ordinola Rojas

  • 1Real e Benemérita Associação Portuguesa de Beneficência, São Paulo, SP. vcveiga@cardiol.br

Arquivos Brasileiros De Cardiologia
|November 26, 2009
PubMed
Summary

Cardiac resynchronization therapy (CRT) helps advanced heart failure patients, but not all benefit. This review details key echocardiographic parameters for selecting and optimizing CRT.

More Related Videos

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
07:41

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

Published on: February 8, 2022

Related Experiment Videos

Last Updated: Jun 18, 2026

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

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
07:41

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

Published on: February 8, 2022

Area of Science:

  • Cardiology
  • Medical Imaging
  • Heart Failure Management

Background:

  • Cardiac resynchronization therapy (CRT) is a treatment for advanced heart failure.
  • A significant percentage of patients (20-30%) do not respond to CRT.
  • Patient selection and therapy optimization are crucial for CRT success.

Purpose of the Study:

  • To review and describe the primary echocardiographic parameters used in evaluating CRT.
  • To highlight the role of echocardiography in patient selection for CRT.
  • To emphasize echocardiography's importance in assessing and optimizing CRT outcomes.

Main Methods:

  • Literature review of studies on echocardiographic parameters in CRT.
  • Analysis of clinical, electrocardiographic, and echocardiographic criteria for CRT patient selection.
  • Focus on echocardiographic assessments for CRT evaluation and optimization.

Main Results:

  • Echocardiography plays a vital role in both selecting patients for CRT and evaluating its effectiveness.
  • Specific echocardiographic parameters are key indicators for predicting CRT response.
  • Detailed echocardiographic assessment aids in optimizing CRT device settings and patient management.

Conclusions:

  • Echocardiography is indispensable for the successful application of cardiac resynchronization therapy.
  • Utilizing specific echocardiographic parameters can improve patient selection and outcomes.
  • Further research into echocardiographic guidance for CRT is warranted to maximize therapeutic benefits.