Dedrick D K, Darga A, Landis D, Burney R E
Division of Emergency Services and Survival Flight Program, University of Michigan, Ann Arbor.
Ann Emerg Med. 1989 Jan;18(1):69-71. doi: 10.1016/s0196-0644(89)80318-x.
Rotary aircraft play a growing role in the transport of critically ill patients who may require emergency treatment, including defibrillation, during transport. The close quarters and proximity of vital electronic equipment have generated concern among personnel carrying out defibrillation in the air. We address the chief safety issues in helicopter defibrillation by providing measurements of the transient leakage current resulting from contact with a paddle and tested in-flight electronic interference and survey the defibrillation experience of helicopter programs. Our data show that airborne defibrillation is safe. A maximum of 1.5 mA of transient leakage current was measured from a standard battery-powered defibrillator, well within the accepted safety standard of 50 mA. In flight, there was no interference with the avionics or medical equipment, and adequate clearance was available for personnel. Of the helicopter programs surveyed, 69 (87%) had defibrillated in flight without incident. We conclude that defibrillation can be performed in the helicopter without hesitation whether on the ground or in the air, provided standard defibrillation precautions are observed.
旋翼飞机在运送可能需要在转运过程中接受包括除颤在内的紧急治疗的重症患者方面发挥着越来越重要的作用。狭小的空间以及重要电子设备的近距离放置引发了在空中进行除颤操作的人员的担忧。我们通过测量与电极板接触产生的瞬态泄漏电流、测试飞行中的电子干扰并调查直升机项目的除颤经验，来解决直升机除颤中的主要安全问题。我们的数据表明空中除颤是安全的。从标准电池供电的除颤器测得的瞬态泄漏电流最大为1.5毫安，远低于50毫安的公认安全标准。在飞行过程中，对航空电子设备或医疗设备没有干扰，并且为人员留出了足够的空间。在所调查的直升机项目中，69个（87%）在飞行中进行了除颤且没有发生事故。我们得出结论，只要遵守标准的除颤预防措施，无论在地面还是空中，都可以毫不犹豫地在直升机上进行除颤。
