13. 一病患其脈搏為每分鐘42且規則,下列不整脈中可能觀察到頸部靜脈波(jugular venous waves) 出現大a波(large a waves),因此可與sinus bradycardia作鑑別診斷。以下何者為非?
(A) Sinus rhythm with bigeminal premature ventricular contractions(PVC's)
(B) Sinus rhythm with 2:1 AV block
(C) Sinus rhythm with complete AV block
(D) Atrial fibrillation with complete AV block
(E) 以上皆正確