心律過慢

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心律過慢嘅心電圖
上圖係正常心律,對比下圖心律過慢嘅心電圖

心律過慢英文Bradycardia)係一個醫學詞彙,指心臟跳得比標準慢。

概述[編輯]

心律過慢指一個成年人喺靜止狀態下,心臟每分鐘跳動少於六十下[1]。一般嚟講,心律慢未必有問題。但如果心律慢得太交關嘅話,可能會引致患者攰、虛弱、瞌眼瞓、或者暈低[2]

當一個人瞓緊覺嘅時候,心律跌到每分鐘四十至五十下依然係正常嘅。經常鍛鍊嘅運動員嘅心律亦通常比普通人慢。例如職業單車選手Miguel Indurain 休息時嘅心律就只有每分鐘廿八下[3]

但係,心律過慢亦有可能係心臟嘅電路系統有毛病嘅病徵[4][5][6][7][7][8][9][10][11][12]

詞源[編輯]

心律過慢(Bradycardia)嚟自古希臘文 βραδύς, bradys 「慢」, 同埋 καρδία, kardia, 「心」[13]

參考[編輯]

  1. "Types of Arrhythmia". July 1, 2011. 喺19 March 2015搵到. 
  2. Sinus Bradycardia – eMedicine
  3. Lovgren, Stefan (August 20, 2004). "Olympic Gold Begins With Good Genes, Experts Say". National Geographic News. 喺September 8, 2014搵到. 
  4. Allan B. Wolfson, 編 (2005). Harwood-Nuss' Clinical Practice of Emergency Medicine (第4th版). 第 260頁. ISBN 0-7817-5125-X. 
  5. "AV Junctional Rhythm Disturbances (for Professionals)". American Heart Association. 4 December 2008. 喺15 December 2009搵到. 
  6. "Arrhythmias and Conduction Disorders". The merck Manuals: Online Medical Library. Merck Sharp and Dohme Corp. January 2008. 喺16 December 2009搵到. 
  7. 7.0 7.1 Adams MG, Pelter MM (September 2003). "Ventricular escape rhythms". American Journal of Critical Care. 12 (5): 477–8. PMID 14503433. 
  8. Ufberg, JW; Clark, JS (February 2006). "Bradydysrhythmias and atrioventricular conduction blocks". Emerg. Med. Clin. North Am. 24 (1): 1–9, v. PMID 16308110. doi:10.1016/j.emc.2005.08.006. 
  9. Michael Panneton, W. (2013). "The Mammalian Diving Response: An Enigmatic Reflex to Preserve Life?". Physiology. 28 (5): 284–297. ISSN 1548-9213. doi:10.1152/physiol.00020.2013. 
  10. Neumar RW, Otto CW, Link MS, 等 (November 2010). "Part 8: adult advanced cardiovascular life support: 2010 American Heart Association Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care". Circulation. 122 (18 Suppl 3): S729–67. PMID 20956224. doi:10.1161/CIRCULATIONAHA.110.970988. 
  11. de Caen, AR; Berg, MD; Chameides, L; Gooden, CK; Hickey, RW; Scott, HF; Sutton, RM; Tijssen, JA; Topjian, A; van der Jagt, ÉW; Schexnayder, SM; Samson, RA (3 November 2015). "Part 12: Pediatric Advanced Life Support: 2015 American Heart Association Guidelines Update for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care.". Circulation. 132 (18 Suppl 2): S526–42. PMID 26473000. doi:10.1161/cir.0000000000000266. 
  12. Atkins, DL; Berger, S; Duff, JP; Gonzales, JC; Hunt, EA; Joyner, BL; Meaney, PA; Niles, DE; Samson, RA; Schexnayder, SM (3 November 2015). "Part 11: Pediatric Basic Life Support and Cardiopulmonary Resuscitation Quality: 2015 American Heart Association Guidelines Update for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care.". Circulation. 132 (18 Suppl 2): S519–25. PMID 26472999. doi:10.1161/cir.0000000000000265. 
  13. Prutchi, David (2005). Design and Development of Medical Electronic Instrumentation. John Wiley & Sons. 第 371頁.