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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...
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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...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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...
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...

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Updated: May 23, 2026

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
07:41

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

Published on: February 8, 2022

Real-time scan assistant for echocardiography.

Sten Roar Snare1, Hans Torp, Fredrik Orderud

  • 1Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway. sten.r.snare@ntnu.no

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|April 7, 2012
PubMed
Summary
This summary is machine-generated.

A real-time scan assistant improves echocardiography image quality for nonexpert users. This AI tool helps capture apical 4-chamber views (A4CH), significantly enhancing diagnostic accuracy in medical students.

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Last Updated: May 23, 2026

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
09:05

Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation

Published on: October 20, 2016

Area of Science:

  • Medical imaging
  • Artificial intelligence in healthcare
  • Echocardiography

Background:

  • Echocardiography requires specialized skills for optimal image acquisition.
  • Capturing standard views like the apical 4-chamber view (A4CH) can be challenging for novice users.
  • Improving accessibility to echocardiography training is crucial for broader clinical application.

Purpose of the Study:

  • To develop and evaluate a real-time scan assistant (SA) for echocardiography.
  • To aid nonexpert users in acquiring high-quality apical 4-chamber views (A4CH).
  • To assess the impact of the SA on the diagnostic quality of echocardiographic images.

Main Methods:

  • Development of a parametric multi-chamber model for A4CH view analysis.
  • Implementation of an extended Kalman filter for real-time model updating.
  • Integration of a goodness-of-fit score and visual feedback (icon) for user guidance.
  • Feasibility study involving 10 medical students and assessment by a cardiologist.

Main Results:

  • The scan assistant demonstrated a statistically significant improvement in echocardiographic view quality.
  • Without the SA, 9 cases were rated as poor quality.
  • With the SA, 89% of these poor-quality cases improved to an acceptable level.

Conclusions:

  • The real-time scan assistant is a feasible tool for improving echocardiographic image acquisition.
  • The SA effectively guides nonexpert users in capturing diagnostically acceptable apical 4-chamber views.
  • This technology has the potential to enhance echocardiography training and clinical practice.