Atrial Trigeminy by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic finding of two sinus beats followed by a premature atrial complex for 3 or more consecutive cycles; a regularly irregular rhythm of normal and abnormal P waves in a 2-1 ratio. (CDISC)

**Synonyms:** - ATRIAL TRIGEMINY - Atrial Trigeminy - Atrial Trigeminy - Atrial Trigeminy by EKG Finding