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[Electrocardiographic changes in chronic obstructive lung diseases].

P Kes, I Strumberger, Z Reiner

    Zeitschrift Fur Die Gesamte Innere Medizin Und Ihre Grenzgebiete
    |December 1, 1982
    PubMed
    Summary
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    Electrocardiogram (ECG) changes in chronic obstructive lung disease (COLD) patients reveal specific patterns. Right axis deviation and a qR pattern in V1 are strongly linked to air-flow obstruction severity and chronic cor pulmonale diagnosis.

    Area of Science:

    • Cardiology
    • Pulmonology
    • Medical Diagnostics

    Context:

    • Chronic obstructive lung disease (COLD) is a progressive condition affecting airflow.
    • Electrocardiographic (ECG) changes can indicate cardiac involvement in respiratory diseases.
    • Understanding ECG patterns in COLD is crucial for diagnosing complications like chronic cor pulmonale.

    Purpose:

    • To investigate various electrocardiographic changes in patients with COLD.
    • To determine the frequency of these changes and their relationship to the degree of air-flow obstruction.
    • To assess the diagnostic value of specific ECG patterns for chronic cor pulmonale.

    Summary:

    • Analysis of 302 COLD patients and 86 healthy controls identified common ECG patterns: P pulmonale, right axis deviation (P wave and QRS), T wave inversions, and a qR pattern in V1.

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  • P pulmonale and T wave inversions showed no correlation with COLD severity.
  • Right axis deviations correlated with air-flow obstruction but were not definitive for chronic cor pulmonale. A qR pattern in V1, often with incomplete right bundle branch block, strongly correlated with air-flow obstruction severity (P < 0.001) and is highly suggestive of chronic cor pulmonale.

    • Impact:

    • Identifies specific ECG markers, particularly the qR pattern in V1, as highly suggestive of chronic cor pulmonale in COLD patients.
    • Provides insights into the correlation between ECG findings and the severity of air-flow obstruction.
    • Aids in the non-invasive diagnosis and monitoring of cardiac complications in chronic obstructive lung disease.