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The jugular and hepatic tracings in normal subjects and in conduction defects

A A Luisada, A Singhal, K Kim

    Acta Cardiologica
    |January 1, 1983
    PubMed

    Insights

    This study revises jugular and hepatic venous tracings in 40 subjects, including those with heart conditions. Findings reveal distinct wave patterns in normal individuals and patients with atrioventricular block, offering insights into venous system mechanics.

    Area of Science:

    • Cardiology
    • Vascular Physiology

    Background:

    • Non-invasive venous tracings like jugular and hepatic provide insights into cardiovascular function.
    • Understanding venous wave patterns is crucial for diagnosing cardiac conditions.

    Purpose of the Study:

    • To revise and statistically evaluate the patterns of jugular and hepatic venous tracings.
    • To investigate the cause of specific venous waves by studying patients with heart blocks.

    Main Methods:

    • Analysis of jugular and hepatic tracings in 40 subjects (30 normal, 10 with left heart conditions).
    • Statistical evaluation of wave onset and peak times.
    • Inclusion of 14 bundle branch block and 10 atrioventricular block cases.

    Main Results:

    • Observed a double A wave in normal subjects and over half of AV block patients.
    • Frequent occurrence of a double C wave, requiring distinct labeling (t and C).
    • Identified variations in V and H waves in hepatic tracings, including double V or small V followed by large H waves.

    Conclusions:

    • The study clarifies venous wave patterns in normal and pathological states.
    • Findings suggest the transmission of left-sided mechanical events to the right atrium and venous system.
    • This research aids in understanding the mechanisms behind venous wave generation.

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