Key result
Alternate-beat Wenckebach links to complete heart block and Adams-Stokes seizures in ~80% of patients.
Why the study?
Wenckebach periods of alternate beats (AW) represent a distinct form of 2:1 A-V block with unique conduction characteristics and clinical implications that require further description.
Population
Five clinical cases and several experimental examples of AW
Design
Case series with clinical and experimental observations
Authors
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Wenckebach periods of alternate beats may signal high progression risk; small case series leaves open whether targeted monitoring improves outcomes.
Case Report (n=5)
Wenckebach periods of alternate beats tend to occur below the A-V node and are associated with a high risk of progression to complete heart block and Adams-Stokes seizures.
Halpern et al. (1973) conducted a case report in Wenckebach periods of alternate beats (n=5). Wenckebach periods of alternate beats was evaluated on Complete heart block and Adams-Stokes seizures. Wenckebach periods of alternate beats were associated with intraventricular block, with 4 of 5 patients developing complete heart block and Adams-Stokes seizures.
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