将你的手放在胸骨中间进行30次胸外心脏按压。
Place your hand in the middle of their chest and give 30 chest compressions.
开胸心脏按压的血流机制明显优于胸外心脏按压。
The mechanism of circulation in open-chest cardiac massage in apparently superior to that in closed—chest compression.
目的：探讨心肺复苏仪胸外心脏按压对心肺复苏成功的影响。
Objective: To investigate the influence on success in cardiopulmonary resuscitation at external cardiac compress using cardiopulmonary resuscitation instrument.
复苏是通过间歇正压给氧、胸外心脏按压和静脉注射肾上腺素及碳酸氢钠。
Resuscitation was undergone by LPPV/O_2, chest compressions, and I. V. epinephrine and sodium bicarbonate.
结论持续胸外心脏按压加大剂量肾上腺素对心脏静止患者有直接起搏作用，可提高心肺复苏成功率。
Conclusions Closed cardiac massage continuously and a lot of dose adrenaline can recover cardiac shock, and increase the successful rate of cardiopulmonary resuscitation.
家长急救知识和技能的掌握情况分别为：包扎术63名(占43.8%)，人工呼吸44名(占30.6%)，清创术35名(24.3%)，胸外心脏按压19名(占13.2%)。
Parents' emergency knowledge and skills were as follows: 63 (43.8%) parents knew bandaging, 44 (30.6%) artificial respiration, 35 (24.3%) debridement, and 19 (13.2%) extra thoracic compression.
在另一项研究中，瑞典研究人员评估了1276例院外心脏病发作的患者，这些患者中的一半行传统的心肺复苏术，另一半仅行胸外按压术。
In the second study, Swedish researchers evaluated 1,276 patients with suspected out-of-hospital heart attacks, assigning half to conventional CPR and half to compression-only.
在另一项研究中，瑞典研究人员评估了1276例院外心脏病发作的患者，这些患者中的一半行传统的心肺复苏术，另一半仅行胸外按压术。
In the second study, Swedish researchers evaluated 1,276 patients with suspected out-of-hospital heart attacks, assigning half to conventional CPR and half to compression-only.
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