心搏停止

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心搏停止
Cardiac arrest
同义词Cardiopulmonary arrest, circulatory arrest, sudden cardiac arrest (SCA), sudden cardiac death (SCD)[1]
针对心搏停止病患而进行的心肺复苏术(假人示范)
症状失去意识不正常的或停止呼吸[1][2]
常见始发于较老的年纪[3]
肇因冠状动脉疾病大出血缺氧低钾血症心脏衰竭[4]
诊断方法找不到跳动的脉搏[1]
预防不抽烟、运动、维持健康体重[5]
治疗心肺复苏 (CPR)、去颤 (defibrillation)[6]
预后平均存活率为 8%[7]
盛行率美国每年每一万人中约十三人 (病发于医院外) [8]
分类和外部资源
医学专科心脏病学
心搏停止
分类和外部资源
ICD-10I46
ICD-9-CM427.5
DiseasesDB2095
MeSHD006323

心脏停止(Cardiac arrest)或称为心搏停止,是心脏因不能够有效收缩,而导致血液循环停止的现象[9],症状包含丧失意识呼吸异常或中止[1][2],有些患者在心搏骤止前还会胸痛呼吸困难,以及恶心等症状[2]心搏停止后若无获得治疗,一般会在数分钟内死亡[9]

最常造成心搏骤止的原因是冠心病[4],其他较少见的原因包含大出血、缺氧、血钾极低心脏衰竭,以及过度运动[4]。有些遗传疾病如长QT症也会增加心搏骤停的风险[4],在心搏骤停之前,最常先观察到有心室颤动的现象[4]。确诊方法为无心搏[1]值得注意的是,心肌梗塞可能导致心搏停止,但这两者并不相同[9]

预防方法包含不抽烟、运动,以及维持体重在理想的范围内[5]。治疗方法为立即进行心肺复苏术。若为可电击复律心律(shockable rhythm),则进行去颤[6]若成功恢复心跳,目标体温管理也有助于改善结果[10]植入型心脏去颤器也能减少日后复发致死的危险[5]

在美国,医院之外心脏骤停的发生率约为每年万分之13(32万6000例)[8],院内心脏停止人数则约20万9000例[8]。心脏骤停的机会随年龄增加[3],其中男性较女性为多[3],存活比例约为8%[7],且许多人留有明显后遗症[7]。许多美国电视剧播报心搏停止的存活率67%,这是不正确的[7]

相关条目

参考文献

  1. 1.0 1.1 1.2 1.3 1.4 Field, John M. The Textbook of Emergency Cardiovascular Care and CPR. Lippincott Williams & Wilkins. 2009: 11. ISBN 9780781788991 (英语). 
  2. 2.0 2.1 2.2 What Are the Signs and Symptoms of Sudden Cardiac Arrest?. NHLBI. June 22, 2016 [16 August 2016]. 
  3. 3.0 3.1 3.2 Who Is at Risk for Sudden Cardiac Arrest?. NHLBI. June 22, 2016 [16 August 2016]. 
  4. 4.0 4.1 4.2 4.3 4.4 What Causes Sudden Cardiac Arrest?. NHLBI. June 22, 2016 [16 August 2016]. 
  5. 5.0 5.1 5.2 How Can Death Due to Sudden Cardiac Arrest Be Prevented?. NHLBI. June 22, 2016 [16 August 2016]. 
  6. 6.0 6.1 How Is Sudden Cardiac Arrest Treated?. NHLBI. June 22, 2016 [16 August 2016]. 
  7. 7.0 7.1 7.2 7.3 Adams, James G. Emergency Medicine: Clinical Essentials (Expert Consult – Online). Elsevier Health Sciences. 2012: 1771. ISBN 1455733946 (英语). 
  8. 8.0 8.1 8.2 Kronick, Steven L.; Kurz, Michael C.; Lin, Steve; Edelson, Dana P.; Berg, Robert A.; Billi, John E.; Cabanas, Jose G.; Cone, David C.; Diercks, Deborah B. Part 4: Systems of Care and Continuous Quality Improvement: 2015 American Heart Association Guidelines Update for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care. Circulation. 2015-11-03, 132 (18 suppl 2): S397–S413. ISSN 0009-7322. doi:10.1161/CIR.0000000000000258 (英语). 
  9. 9.0 9.1 9.2 What Is Sudden Cardiac Arrest?. NHLBI. June 22, 2016 [16 August 2016]. 
  10. Schenone, Aldo L.; Cohen, Aaron; Patarroyo, Gabriel; Harper, Logan; Wang, XiaoFeng; Shishehbor, Mehdi H.; Menon, Venu; Duggal, Abhijit. Therapeutic hypothermia after cardiac arrest: A systematic review/meta-analysis exploring the impact of expanded criteria and targeted temperature. Resuscitation. 11 2016, 108: 102–110 [2020-11-26]. ISSN 1873-1570. PMID 27521472. doi:10.1016/j.resuscitation.2016.07.238.