Patient With Presyncope and Variable PR Interval and QRS Morphology

Alex Bittner,Alejandro Paredes,Ismael Vergara,Lars Eckardt

JACC: Case Reports（2021）

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摘要

We describe the case of a 72-year-old female patient, presenting with presyncope and variable PR Interval and changing QRS morphology on the electrocardiogram. Differential diagnosis is discussed. (Level of Difficulty: Beginner.)

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关键词

bundle branch block,conduction disturbance,infra-his block

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