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Clinical and physiological findings when the cardiac contraction is incoordinate compared with those found in matched

I Starr, J C Shelburne

    Bibliotheca Cardiologica
    |January 1, 1979
    PubMed

    Insights

    Cardiac incoordination, indicated by multiple tests, is linked to severe coronary heart disease. Patients with incoordination experienced more angina and poorer heart function, suggesting it appears late in the disease course.

    Area of Science:

    • Cardiology
    • Cardiovascular Physiology

    Background:

    • Cardiac incoordination can be detected using multiple diagnostic tests.
    • Coronary heart disease involves impaired blood supply to the heart muscle.

    Purpose of the Study:

    • To compare patients with and without cardiac incoordination.
    • To identify physiological markers associated with cardiac incoordination.

    Main Methods:

    • Comparison of two patient groups: one with cardiac incoordination, one with coordinated heartbeat.
    • Utilized electrocardiogram (ECG), pulse derivative, and ventriculogram for assessment.
    • Paired case analysis to control for confounding variables.

    Main Results:

    • Patients with cardiac incoordination exhibited significantly higher rates of angina pectoris.
    • Coronary arteriosclerosis and abnormal electrocardiograms were more prevalent in the incoordination group.
    • A smaller ejection fraction and slower pulse rate were observed in patients with cardiac incoordination.

    Conclusions:

    • Cardiac incoordination is associated with severe coronary heart disease.
    • It may represent a late-stage consequence of interrupted coronary blood flow.
    • Physiological functions, apart from cardiac performance, showed no significant differences.

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