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Nocturnal Second-Degree Type I AV Block: A Benign Manifestation of Vagal Tone in Sleep Jun 13, 2025

Second-degree type I AV block, also known as Mobitz I or Wenckebach, is typically characterized by a progressive prolongation of the PR interval followed by a dropped beat. While often evaluated for underlying conduction disease, it is not always pathological—especially when it occurs exclusively du...

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