心输出量

影响心输出量的各个因素[1]

心输出量（英語：heart output，或Cardiac output，缩写CO）是一个心脏生理学术语[2]，它描述每单位时间心脏，左心室和右心室所泵送的血液量，是心率（HR，即每分钟心跳数）和每搏输出量（SV）的乘积，即CO = HR×SV[3]。

参考值

心室容积
右心室 左心室
舒张末期容积（英语：End-diastolic volume） 144 mL (± 23 mL)[4] 142 mL (± 21 mL)[5]
舒张末期容积 / 体表面积 (mL/m2) 78 mL/m2 (± 11 mL/m2)[4] 78 mL/m2 (± 8.8 mL/m2)[5]
收缩末期容积（英语：End-systolic volume） 50 mL (± 14 mL)[4] 47 mL (± 10 mL)[5]
收缩末期容积 / 体表面积 (mL/m2) 27 mL/m2 (± 7 mL/m2)[4] 26 mL/m2 (± 5.1 mL/m2)[5]
每搏输出量 94 mL (± 15 mL)[4] 95 mL (± 14 mL)[5]
每搏输出量 / 体表面积 (mL/m2) 51 mL/m2 (± 7 mL/m2)[4] 52 mL/m2 (± 6.2 mL/m2)[5]
射血分数 66% (± 6%)[4] 67% (± 4.6%)[5]
心率 60–100 bpm[6] 60–100 bmp[6]
心输出量 4.0–8.0 公升[7] 4.0–8.0 公升[7]

参考文献

  1. ^ Betts JG. Anatomy & physiology. 2013: 787–846 [11 August 2014]. ISBN 978-1938168130. （原始内容存档于2021-02-27）. 
  2. ^ Williams, David; Kenyon, Anna; Adamson, Dawn. Physiology. Basic Science in Obstetrics and Gynaecology. Elsevier. 2010: 173–230. ISBN 978-0-443-10281-3. doi:10.1016/b978-0-443-10281-3.00014-2. 
  3. ^ OpenStax. 19.4 Cardiac Physiology. BC Open Textbooks – Open Textbooks Adapted and Created by BC Faculty. 2013-03-06 [2020-04-07]. （原始内容存档于2020-11-01）. 
  4. ^ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 Maceira AM, Prasad SK, Khan M, Pennell DJ. Reference right ventricular systolic and diastolic function normalized to age, gender and body surface area from steady-state free precession cardiovascular magnetic resonance (PDF). European Heart Journal. December 2006, 27 (23): 2879–88. PMID 17088316. doi:10.1093/eurheartj/ehl336. 
  5. ^ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 Maceira A. Normalized Left Ventricular Systolic and Diastolic Function by Steady State Free Precession Cardiovascular Magnetic Resonance. Journal of Cardiovascular Magnetic Resonance. 2006, 8: 417–426. doi:10.1080/10976640600572889.  需付费查阅
  6. ^ 6.0 6.1 Normal ranges for heart rate are among the narrowest limits between 心跳过缓 and 心跳过速. See the Bradycardia and Tachycardia articles for more detailed limits.
  7. ^ 7.0 7.1 Normal Hemodynamic Parameters – Adult (PDF). Edwards Lifesciences LLC. 2009.