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Hereditary right axis deviation: electrocardiographic pattern of pseudo left posterior hemiblock and incomplete right
A Lorber1, E Maisuls, J Naschitz
1Heart Institute, Lady Davis Carmel Hospital, Haifa, Israel.
Insights
A rare hereditary heart condition causes pseudo left posterior hemiblock and incomplete right bundle branch block in a father and his sons. Extensive evaluations ruled out other cardiac or lung issues, suggesting a genetic basis for these electrocardiographic findings.
Area of Science:
- Cardiology
- Genetics
- Electrocardiography
Background:
- Hereditary cardiac conditions can manifest with distinct electrocardiographic patterns.
- Understanding familial transmission of electrocardiographic abnormalities is crucial for diagnosis.
Observation:
- A family presented with a specific electrocardiographic pattern: pseudo left posterior hemiblock and incomplete right bundle branch block, leading to right axis deviation.
- The affected members included the father and his two sons, while the mother exhibited a normal electrocardiogram.
- Clinical, radiological, and echocardiographic assessments did not reveal any structural or functional cardiac abnormalities, chest deformities, or lung disease.
Findings:
- The electrocardiographic findings in the father and sons were consistent, suggesting a hereditary component.
- Vectorcardiographic analysis revealed identical findings between the father and his sons, further supporting a genetic link.
- The absence of other cardiac pathologies highlights the specific nature of the inherited electrocardiographic pattern.
Implications:
- This case suggests a potential genetic predisposition to specific conduction abnormalities.
- Further research into the genetic basis of these electrocardiographic patterns may aid in early diagnosis and management.
- The findings contribute to the understanding of familial cardiac electrophysiology.
Abstract:
We present a family with a hereditary electrocardiographic pattern of pseudo left posterior hemiblock and incomplete right bundle branch block which resulted in right axis deviation. The mother had a normal electrocardiogram, while the father and their two sons presented the above-described electrocardiographic features. Clinical, radiological and echocardiographic evaluation excluded structural and functional cardiac abnormalities as well as chest deformities and lung disease. The identical vectorcardiographic findings of the father and his sons is discussed.