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Related Concept Videos

Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

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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...
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Imaging Studies for Cardiovascular System I:Echocardiography01:17

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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.
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Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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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...
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Related Experiment Video

Updated: Jun 14, 2025

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
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Noninvasive Imaging for Native Aortic Valve Regurgitation.

Vidhu Anand1, Hector I Michelena1, Patricia A Pellikka1

  • 1Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota.

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography
|September 1, 2024
PubMed
Summary

Aortic regurgitation (AR) can cause left ventricular (LV) enlargement. Echocardiography helps assess AR severity and LV remodeling, guiding treatment decisions for improved patient outcomes.

Keywords:
Aortic regurgitationLeft ventricular remodelingMechanismMultimodality imagingSeverity

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Cardiac Physiology

Background:

  • Aortic regurgitation (AR) leads to left ventricular (LV) volume and pressure overload, causing eccentric remodeling and enlargement.
  • AR may be asymptomatic for years, preceding myocardial dysfunction and symptoms.
  • Echocardiography is vital for diagnosing AR, evaluating its mechanism, severity, and LV remodeling.

Purpose of the Study:

  • To review the role of imaging, particularly echocardiography, in evaluating aortic regurgitation.
  • To detail echocardiographic parameters and their integration for assessing AR mechanism, severity, and LV remodeling.
  • To highlight parameters identifying early LV dysfunction and surgical candidates.

Main Methods:

  • Review of current literature on echocardiographic and cardiac magnetic resonance imaging in AR.
  • Focus on integrating multiple echocardiographic measurements for severity assessment.
  • Discussion of specific LV parameters (volumes, ejection fraction, global longitudinal strain) for dysfunction detection.

Main Results:

  • Echocardiography is crucial for AR diagnosis, mechanism, severity, and LV remodeling assessment.
  • Integrating multiple echocardiographic parameters is necessary for accurate AR severity assessment.
  • LV end-systolic volume index > 45 mL/m², ejection fraction <60%, and abnormal global longitudinal strain identify early dysfunction and surgical candidates.

Conclusions:

  • Imaging, especially echocardiography, is paramount in evaluating patients with aortic regurgitation.
  • Specific echocardiographic parameters can identify early LV dysfunction and guide surgical intervention.
  • Cardiac MRI serves as a valuable adjunct when echocardiography is inconclusive.