electrocardiogram: rSR' complex or broad slurred R wave in leads V4, V5, and V6
electrocardiogram: rsr' complex or broad slurred r wave in leads v4, v5, and v6
electrocardiogram: rSR' complex or broad slurred R wave in leads V4, V5, and V6 (procedure)
electrocardiogram: rsr' complex or broad slurred r wave in leads v4, v5, and v6 (procedure)