High Grade Atrioventricular Block by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic finding of intermittent failure of atrial electrical impulse conduction to the ventricles, characterized by two or more consecutive non-conducted P waves. (CDISC)

**Synonyms:** - ADVANCED/HIGH GRADE AV BLOCK - Advanced Atrioventricular Block - Advanced/High Grade AV Block - High Grade Atrioventricular Block - High Grade Atrioventricular Block by EKG Finding