Related Experiment Video

Updated: Jul 18, 2026

Increasing Pulmonary Artery Pulsatile Flow Improves Hypoxic Pulmonary Hypertension in Piglets
08:08

Increasing Pulmonary Artery Pulsatile Flow Improves Hypoxic Pulmonary Hypertension in Piglets

Published on: May 11, 2015

Echographic determination of left ventricular volumes in pediatric patients

R A Meyer, J Stockert, S Kaplan

    Circulation
    |February 1, 1975
    PubMed

    Insights

    Echocardiography reliably measures left ventricular (LV) minor dimensions in children. This allows accurate estimation of LV volumes and ejection fraction (EF) in pediatric patients.

    Area of Science:

    • Pediatric Cardiology
    • Medical Imaging
    • Echocardiography

    Background:

    • Accurate assessment of left ventricular (LV) volumes is crucial for diagnosing and managing pediatric cardiac conditions.
    • Echocardiography is a non-invasive imaging modality widely used in pediatrics, but its accuracy for LV volume determination requires validation.

    Purpose of the Study:

    • To validate the accuracy of echocardiography for determining left ventricular (LV) volumes in infants and children.
    • To establish correlations between echocardiographic measurements and cineangiographic data for LV volume assessment.

    Main Methods:

    • Thirty-one pediatric patients (2 months to 15 years) underwent biplane left ventriculography (cineangiography).
    • LV volumes were calculated using an ellipsoidal model from cineangiograms.
    • Echocardiographic minor dimensions (Be) were compared with cineangiographic minor lateral dimensions (Bc) at end diastole and end systole.

    Main Results:

    • A strong correlation was found between echographic and cineangiographic minor dimensions at end diastole (r = 0.856).
    • A high correlation (r = 0.889) existed between LV end-diastolic volume measured by cineangiography and the echographic minor dimension (Be).
    • A reliable method was formulated to estimate ejection fraction (EF) from echocardiographic measurements.

    Conclusions:

    • Echocardiography provides reliable measurements of the LV minor dimension in children.
    • LV volumes, ejection fraction (EF), and stroke volume can be accurately estimated using echocardiography in pediatric patients.

    More Related Videos

    Echocardiographic Characterization of Left Ventricular Structure, Function, and Coronary Flow in Neonate Mice07:55

    Echocardiographic Characterization of Left Ventricular Structure, Function, and Coronary Flow in Neonate Mice

    Published on: April 7, 2022

    A Modified Sonographic Algorithm for Image Acquisition in Life-Threatening Emergencies in the Critically Ill Newborn11:27

    A Modified Sonographic Algorithm for Image Acquisition in Life-Threatening Emergencies in the Critically Ill Newborn

    Published on: April 7, 2023

    Related Concept Videos

    Assessment of apical pulse01:17

    Assessment of apical pulse

    Assessing the Apical Pulse
    Assessing the apical pulse is a critical nursing procedure, particularly indicated for:
    Heart Sounds01:15

    Heart Sounds

    Heart sounds are generated by the turbulence in blood flow due to the closing of heart valves. These sounds are best perceived slightly away from the valves, where the blood flow disseminates the sound.
    Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
    S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V) valves at the...
    Physical Assessment of the Respiratory Tract III: Percussion01:29

    Physical Assessment of the Respiratory Tract III: Percussion

    The respiratory system, fundamental to life, consists of complex structures responsible for gas exchange. The percussion assessment is critical to understanding this system's health and functionality. This non-invasive assessment technique allows healthcare providers to evaluate the density or aeration of the lungs, thereby identifying potential abnormalities.
    Percussion in Respiratory Assessment
    Percussion evaluates underlying tissue composition with audible and tactile vibrations,...
    Assessment of the Cardiovascular System IV: Auscultation01:25

    Assessment of the Cardiovascular System IV: Auscultation

    Cardiac auscultation is a clinical skill used to assess heart function and detect abnormalities. It involves listening to heart sounds at specific anatomical locations through a stethoscope.
    Normal Heart Sounds
    S1 (First Heart Sound)-
    S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
    S2 (Second Heart Sound)-
    S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
    Cardiovascular System Abnormal Findings II: Auscultation01:25

    Cardiovascular System Abnormal Findings II: Auscultation

    Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
    Abnormal Heart Sounds
    Gallops:
    Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

    Mitral Stenosis II: Clinical features and Diagnostic Tests

    Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...