近两年来，我院胸外科遇到2例术后心搏骤停的病人，行再次开胸心脏挤压术，并行多次电击除颤、应用肾上腺素等升压、强心药物持续抢救20及45分钟，心跳未能恢复，改用扩血管药物—酚妥拉明（Regitine），使心跳及自主呼吸完全恢复，再继续应用血管活性药物，使这2例在心搏骤停8 In the past two years, two cases of postoperative cardiac arrest in thoracic surgery of our hospital were performed. Thoracotomy was performed again. Multiple electric shock defibrillation was applied. Vasopressors such as epinephrine were used to boost blood pressure 20 And 45 minutes, the heartbeat failed to recover. Instead, the vasodilator drug vasopressin (Regitine) was used to completely revive the heartbeat and spontaneous respiration. The vasoactive drug was continued to be administered to the two patients during cardiac arrest.