But tests of the Johns Hopkins vest-- which are continuing-- indicate that it will succeed in reviving a patient at least twice as often as manual CPR, and with less injury to the ribs, lungs and liver.

• 而对约翰斯·霍普金斯背心所作的测试(现仍在继续进行)表明，该背心使患者复苏的成功率至少是人工心肺复苏的两倍，且其对肋骨、肺和肝脏的损伤也较少。