1. From the Department of Emergency Medicine, Haibara General Hospital, Shizuoka, Japan (R.I., H.K.); Department of Emergency and Critical Care Medicine, The University of Tokyo Hospital, Tokyo, Japan (R.I., H.K., Y.A., T.M., K.D., TI., M.G., T.H., S.N., N.Y.); and the Department of Cardiology, Haibara General Hospital, Shizuoka, Japan (M.H.).