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[Fascicular block and skeletal myopathies]
Zeitschrift Fur Kardiologie
|July 1, 1976
Insights
Skeletal myopathies often present with heart conduction abnormalities, including various fascicular blocks. Lifelong cardiological monitoring is crucial due to the risk of complete atrioventricular block.
Area of Science:
- Cardiology
- Neurology
- Genetics
Context:
- Skeletal myopathies are a group of inherited disorders affecting muscle tissue.
- Electrocardiogram (ECG) is a non-invasive diagnostic tool used to assess cardiac function.
Purpose:
- To investigate the prevalence and types of cardiac conduction abnormalities in patients with skeletal myopathies.
- To determine the prognostic implications of these abnormalities.
Summary:
- ECG findings in skeletal myopathies frequently reveal mono- and bifascicular blocks, affecting approximately 50% of cases.
- Commonly observed blocks include left anterior fascicular block, left posterior fascicular block, and right bundle branch block (RBBB).
Impact:
- The presence of these blocks indicates a potential risk for developing complete atrioventricular (AV) block.
- Prognosis for complete AV block can be poor, necessitating lifelong cardiological observation and management.
Abstract:
Ecg investigation of skeletal myopathies showed in the approximate half of cases mono- and bifascicular blocks (left anterior, left posterior, RBBB). In view of the possibility of development of complete AV-block, whose prognosis will not be the best, cardiological observation is recommended for life.