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Related Concept Videos

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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Electrocardiogram Fundamentals01:28

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Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
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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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Graphical User Interface for Calculating Wave Intensity from Cardiac Catheterization Measurements.

Aaron Hofmann, Van Tran, Nicolas Eng

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 11, 2021
    PubMed
    Summary

    A new graphical user interface (GUI) enables wave intensity analysis (WIA) for assessing cardiovascular hemodynamics using standard clinical data. This tool facilitates WIA for patients undergoing cardiac catheterization, utilizing readily available measurements.

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    Area of Science:

    • Cardiovascular Physiology
    • Medical Imaging and Instrumentation

    Background:

    • Wave intensity analysis (WIA) is a valuable tool for assessing cardiovascular hemodynamics.
    • Traditional WIA requires simultaneous invasive blood pressure and velocity measurements.
    • Clinical practice often involves separate invasive and non-invasive measurements, limiting WIA application.

    Purpose of the Study:

    • To develop a graphical user interface (GUI) for calculating wave intensity parameters from standard clinical measurements.
    • To enable the application of WIA in patients undergoing cardiac interventional procedures using existing data.
    • To facilitate hemodynamic assessment during cardiac catheterization.

    Main Methods:

    • Developed a GUI with three subroutines for importing and processing clinical data.
    • Extracted and analyzed invasive blood pressure waveforms and Doppler echocardiography-derived blood velocity signals separately.
    • Utilized electrocardiogram signals for aligning pressure and velocity data to calculate wave intensity.
    • Calculated wave intensity features including forward compression wave (FCW), forward expansion wave (FEW), and wave speed.

    Main Results:

    • The GUI successfully integrates invasive blood pressure and non-invasive blood velocity data.
    • Wave intensity parameters (FCW, FEW, wave speed) are calculated and presented for statistical analysis.
    • The developed software allows for WIA using data commonly procured during cardiac catheterization.

    Conclusions:

    • This GUI is the first program designed to promote WIA for hemodynamic assessment in cardiac catheterization.
    • It enables clinicians to leverage existing invasive pressure and non-invasive velocity data for comprehensive hemodynamic evaluation.
    • The tool supports improved pre-operative patient hemodynamic monitoring and assessment.