Key result
Intracardiac studies demonstrated that persistent atrial standstill was due to atrial inexcitability, characterized by prolonged H-V intervals, complete right bundle branch block, and marked myocardial fibrosis or degeneration.
Population
2 patients with persistent atrial standstill.
Design
Case_series
Authors
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His bundle electrography may aid diagnosis in persistent atrial standstill; case report leaves open routine adoption.
Case Report (n=2)
No
Persistent atrial standstill can be caused by atrial inexcitability associated with intra-Hisian block and underlying cardiomyopathic histological changes, highlighting the diagnostic utility of His bundle electrography.
Tanaka et al. (1975) conducted a case report in Persistent atrial standstill (n=2). His bundle electrography and endomyocardial biopsy was evaluated on Electrophysiological and histological characteristics of persistent atrial standstill. Intracardiac studies demonstrated that persistent atrial standstill was due to atrial inexcitability, characterized by prolonged H-V intervals, complete right bundle branch block, and marked myocardial fibrosis or degeneration.
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