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Related Experiment Videos

Echocardiography in the horse

F S Pipers, R L Hamlin

    Journal of the American Veterinary Medical Association
    |April 15, 1977
    PubMed
    Summary

    Echocardiography in standing horses provides key measurements of cardiac dimensions and function. This study establishes normal reference values for left ventricular and aortic root dimensions in clinically healthy horses.

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    Area of Science:

    • Veterinary Cardiology
    • Equine Echocardiography

    Background:

    • Echocardiography is crucial for assessing cardiovascular health in horses.
    • Establishing normal reference ranges is essential for diagnosing cardiac abnormalities.

    Purpose of the Study:

    • To determine normal echocardiographic measurements of the left ventricle and aortic root in standing, clinically normal horses.
    • To provide reference values for equine cardiac function.

    Main Methods:

    • Echocardiograms were performed on 25 clinically normal horses in a standing position.
    • Ultrasound imaging utilized a 2.5 MHz frequency transducer.
    • Key cardiac parameters including left ventricular dimensions, aortic root size, and mitral valve function were measured.

    Main Results:

    • Mean left ventricular wall thickness was 3.2 cm.
    • Mean left ventricular chamber diameter in diastole and systole were 9.3 cm and 5.7 cm, respectively.
    • Mean aortic root dimension was 7.7 cm, with a mitral valve closing slope of 17.7 mm/second and ejection fraction correlate of 38.6%.

    Conclusions:

    • Echocardiography in standing horses is a feasible method for obtaining cardiac measurements.
    • The study provides valuable reference data for normal equine cardiac structure and function.
    • These findings aid in the interpretation of echocardiograms for diagnosing equine heart disease.

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