AV Block Second Degree Mobitz Type I

**Semantic type:** Disease or Syndrome

**Definition:** A disorder characterized by an electrocardiographic finding of intermittent failure of atrial electrical impulse conduction to the ventricles, characterized by a progressively lengthening PR interval prior to the block of an atrial impulse. (CDISC)

**Synonyms:** - AV Block Second Degree Möbitz Type I - Mobitz I - Mobitz Type I Second Degree AV Block - Mobitz type I - Möbitz I - Möbitz Type I Second Degree AV Block - Second Degree Atrioventricular Block Mobitz Type I - Second Degree Atrioventricular Block Möbitz Type I - Type 1 2nd degree AV Block - Type 1 Second Degree AV Block - Type 1 Second Degree Atrioventricular Block - Wenckebach Block