Haruhiko Sakurai, MD; Miyazaki Kei, MD; Kenichirou Matsubara, MD*; Kazuhiko Yokouchi, MD; Kazuki Hattori, MD; Ryoichi Ichihashi, MD; Yoshihiro Hirakawa, MD; Hideto Tsukamoto, MD; Yoshihiro Saburi, MD**

Abstract
Cardiogenic shock developed in a 72-year-old Japanese woman during combination therapy with verapamil and atenolol for recurrent supraventricular arrhythmia. She had coronary atherosclerosis, liver cirrhosis and bradycardia -tachycardia syndrome. Despite of the high-dose catecholamines and counterpulsation, she progressively deteriorated. Bolus administration of intravenous calcium chloride (CaCl₂) immediately resolved her hemodynamic collapse.
(Jpn Circ J 2000; 64: 893-896)

Key Words: Atenolol; Calcium chloride; Cardiogenic shock; Liver cirrhosis; Verapamil

Mailing address: Haruhiko Sakurai, MD, Department of Cardiology, Toki General Hospital, 703-24 Toki-guchi, Tokitsu-cho, Toki City, Gifu 509-5122, Japan