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Related Concept Videos

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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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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Electrocardiogram01:29

Electrocardiogram

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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...
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Related Experiment Video

Updated: May 15, 2025

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
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Echocardiography Correlation with Seismocardiography-Systematic Review.

Dennis Lawin1,2, Ulf Kulau3, Urs-Vito Albrecht1

  • 1Department of Digital Medicine, Medical School OWL, Bielefeld University, Bielefeld, Germany.

Studies in Health Technology and Informatics
|April 9, 2025
PubMed
Summary
This summary is machine-generated.

This review correlates seismocardiography (SCG) and echocardiography (ECHO) signals for heart valve timing. Standardization is crucial for accurate SCG and ECHO data in clinical research.

Keywords:
Cardiac timing eventsEchocardiographySeismocardiographyStandardization

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Area of Science:

  • Biomedical Engineering
  • Cardiovascular Physiology
  • Medical Instrumentation

Background:

  • Seismocardiography (SCG) offers a non-invasive method for assessing cardiac function.
  • Echocardiography (ECHO) is the gold standard for evaluating heart mechanics and valve function.
  • Correlating SCG with ECHO can enhance diagnostic capabilities.

Purpose of the Study:

  • To systematically review studies correlating seismocardiography (SCG) and echocardiography (ECHO) signals.
  • To identify methodologies used for comparing SCG and ECHO, specifically for aortic and mitral valve timing.
  • To highlight areas for standardization in SCG research.

Main Methods:

  • A systematic literature review was conducted using Scopus, PubMed, and IEEE-Explore.
  • 61 studies on SCG and ECHO were initially identified.
  • 12 studies focusing on aortic and mitral valve timing events were selected for detailed analysis.

Main Results:

  • Selected studies correlated SCG signals with ECHO using M-mode, PW-Doppler, CW-Doppler, and TDI.
  • Significant variations in sensor placement and subject positioning were observed across studies.
  • The review identified a need for standardized protocols in SCG data acquisition.

Conclusions:

  • Standardization of sensor placement and subject positioning is essential for reliable SCG measurements.
  • Future research should focus on clear objectives and standardized protocols.
  • Incorporating disease-specific impacts on heart mechanics is vital for advancing SCG applications.