Dùng cho ng??i b? huy?t kh?i, ng??i b? ?au th?t ng?c do thi?u máu c? tim. M?i l?n u?ng 3 viên, ngày u?ng t? 2 – four l?n tùy theo m?c ?? n?ng nh? c?a b?nh.If heart block happens, the client should be carefully monitored and isoproterenol infusion or transvenous cardiac pacemaker insertion ought to happen. For that administration of overdose-