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Related Concept Videos

Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

331
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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Ultrasonography01:17

Ultrasonography

4.5K
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...
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Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

271
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...
271

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Related Experiment Video

Updated: Jul 3, 2025

Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients
08:37

Echocardiographic Assessment Using Subxiphoid-Only Examination for Hypotensive Patients

Published on: April 18, 2025

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Handheld Sonographic Cardiovascular Imaging Under Hypergravity Conditions.

Rebecca S Blue, Karen M Ong

    Aerospace Medicine and Human Performance
    |February 15, 2024
    PubMed
    Summary
    This summary is machine-generated.

    Handheld ultrasound enables individuals with minimal training to visualize cardiovascular changes during hypergravity exposure. This study validates its use for real-time imaging in high-G environments, overcoming previous limitations.

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    Area of Science:

    • Aerospace Medicine
    • Cardiovascular Physiology
    • Medical Imaging Technology

    Background:

    • Real-time cardiovascular imaging during hypergravity is challenging.
    • Previous hypergravity ultrasound studies used fixed probes, limiting exploration of handheld devices by untrained users.

    Purpose of the Study:

    • To investigate the feasibility of handheld ultrasound for self-visualization of cardiovascular changes during hypergravity.
    • To assess the usability of handheld ultrasound by individuals with varying levels of experience in a hypergravity setting.

    Main Methods:

    • Three subjects (variable ultrasound experience) used handheld ultrasound at rest and during +Gz hypergravity (max +3.5 Gz) to image carotid vasculature.
    • Cardiac imaging was attempted by the most experienced subject; brief training and real-time coaching were provided to inexperienced users.

    Main Results:

    • All subjects successfully acquired adequate ultrasound images of the carotid vasculature.
    • Subxiphoid cardiac imaging faced limitations due to probe overheating and displacement during straining, causing mild discomfort.

    Conclusions:

    • Handheld ultrasound is a viable tool for real-time cardiovascular imaging in hypergravity environments, even for users with minimal experience.
    • Further refinement is needed to address limitations in cardiac imaging during sustained hypergravity exposure.