外伤急救步骤的顺序简称为ABCDE，请问D代表什么？（） A: defibrillation B: detoxication C: disability D: drug

BLS中ABCD的D是指（） A: 药物drug B: 除颤defibrillation C: 鉴别诊断differentialdiagnosis D: 无特殊含义

The most important part of cardiopulmonary resuscitation is: A: Call for help as soon as possible B: High quality CPR C: Defibrillation as soon as possible D: Starting advanced life support as soon as possible