Impaired impulse conduction from HEART ATRIA to HEART VENTRICLES. AV block can mean delayed or completely blocked impulse conduction.

Synonyms: Atrioventricular Block, AV Blocks, Atrioventricular Conduction Block, Conduction Block, Atrioventricular, AV Block, Blocks, AV, Block, AV, Conduction Blocks, Atrioventricular, Atrioventricular Conduction Blocks, Atrioventricular Blocks