AV Block Third Degree by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic finding of complete failure of atrial electrical impulse conduction to the ventricles. This is manifested on the ECG by disassociation of atrial and ventricular rhythms. The atrial rate must be faster than the ventricular rate. (CDISC)

**Synonyms:** - 3RD DEGREE AV BLOCK - 3rd Degree Heart Block - AV Block Third Degree - AV Block Third Degree by EKG Finding - AV block, complete (third-degree) - Complete AV Block - Complete Heart Block - Complete Heart Block - Third Degree AV Block - Third Degree Atrioventricular Block