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Related Concept Videos

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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Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

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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.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
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Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

246
Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Related Experiment Video

Updated: Jul 10, 2025

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
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Echo HALT: do we really need a cardiac CT?

Giulia Passaniti1,2, Francesca Romana Prandi1,3, Samin Sharma1

  • 1Mount Sinai Fuster Heart Hospital, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.

The International Journal of Cardiovascular Imaging
|November 20, 2023
PubMed
Summary
This summary is machine-generated.

Transcatheter aortic valve thrombosis can be diagnosed using echocardiography, avoiding the need for cardiac CT. This case highlights successful diagnosis and treatment solely through echocardiographic evaluation.

Keywords:
Cardiac CTHALTProsthetic leaflet thrombusTrans-esophageal echocardiogramTrans-thoracic echocardiogram

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Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • Leaflet thrombosis is often an incidental finding during cardiac imaging.
  • Cardiac CT is the gold standard for diagnosing leaflet thrombosis.
  • Hypoattenuation leaflet thickening (HALT) and hypoattenuation affecting motion (HAM) are classic CT findings.

Observation:

  • This case study focuses on transcatheter aortic valve thrombosis.
  • Diagnosis and treatment were based exclusively on echocardiographic evaluation.
  • Transesophageal echocardiography was specifically utilized.

Findings:

  • Echocardiography successfully identified transcatheter aortic valve thrombosis.
  • Cardiac CT was not required for diagnosis in this case.
  • The patient experienced a good outcome following treatment.

Implications:

  • Echocardiography can be a reliable tool for diagnosing leaflet thrombosis.
  • This approach may reduce the need for cardiac CT in select cases.
  • Further research into echocardiography's role in diagnosing valve thrombosis is warranted.