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Related Experiment Videos

Electrocardiogram in double chamber right ventricle.

K J Goitein, W H Neches, S C Park

    The American Journal of Cardiology
    |March 1, 1980
    PubMed
    Summary

    Diagnosing double chamber right ventricle (DCRV) is challenging. Upright T waves in lead V3R on an electrocardiogram may suggest DCRV, prompting further investigation.

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    Area of Science:

    • Cardiology
    • Pediatric Cardiology
    • Cardiac Imaging

    Background:

    • Double chamber right ventricle (DCRV) is a rare congenital heart defect.
    • It is often associated with other cardiac anomalies, such as ventricular septal defects.
    • Clinical presentation and standard diagnostic tools frequently fail to definitively diagnose DCRV.

    Purpose of the Study:

    • To evaluate the diagnostic utility of electrocardiographic findings in patients with double chamber right ventricle.
    • To identify potential early indicators for DCRV that may guide further diagnostic workup.
    • To correlate electrocardiographic findings with associated cardiac anomalies and clinical presentation.

    Main Methods:

    • Retrospective review of 30 patients diagnosed with double chamber right ventricle over a 7-year period.

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  • Analysis of clinical data, chest roentgenograms, echocardiograms, and electrocardiograms (ECGs).
  • Focus on electrocardiographic findings, particularly in lead V3R, and their association with right ventricular hypertrophy.

    • Main Results:

    • The majority of patients had associated cardiac anomalies, most commonly ventricular septal defects.
    • History, physical examination, chest X-ray, and echocardiography were often inconclusive for DCRV diagnosis.
    • Upright T waves in lead V3R were the sole electrocardiographic finding suggestive of right ventricular hypertrophy in 40% of patients.

    Conclusions:

    • Upright T waves in lead V3R, in the absence of other signs of right ventricular hypertrophy, can be an important indicator for double chamber right ventricle.
    • This specific ECG finding should alert cardiologists to consider DCRV before proceeding with cardiac catheterization.
    • Early identification of DCRV through subtle ECG changes can optimize diagnostic and management strategies.