Key result
Two right atrial intramyocardial hibernomas identified at autopsy may have contributed to clinically observed sinus arrhythmia, prolonged PQ-interval, and bundle branch block.
Intramyocardial infiltrating hibernomas are a rare cardiac tumor that may contribute to clinical arrhythmias and conduction abnormalities.
Intramyocardial hibernomas may underlie conduction abnormalities; this single autopsy case leaves open their prevalence and clinical relevance.
The autopsy findings of two intramyocardial infiltrating hibernomas situated in the right atrium of a 84‐year‐old woman are presented. The tumours might have contributed to the clinically observed sinus arrythmia, prolonged PQ‐interval and bundle branch block.
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Kindblom et al. (1977) studied this question. Two right atrial intramyocardial hibernomas identified at autopsy may have contributed to clinically observed sinus arrhythmia, prolonged PQ-interval, and bundle branch block.
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