Atrioventricular Block First Degree, CTCAE

**Semantic type:** Finding

**Definition:** A disorder characterized by a dysrhythmia with a delay in the time required for the conduction of an electrical impulse through the atrioventricular (AV) node beyond 0.2 seconds; prolongation of the PR interval greater than 200 milliseconds.

**Synonyms:** - Atrioventricular Block First Degree - Atrioventricular block first degree - Atrioventricular block first degree