hypoxia hypokalemia hypothermia hyperkalemia drug overdose acidosis
TCP epinephrine 1 mg IV push, 每 3~5 min 重複. 若有 bradycardia (absolute: < 60 BPM; or relative) 則用 atropine 1 mg IV, 每 3~5 min 重複, 到總量為 0.03~0.04 mg/kg.