心輸出量

心輸出量（英語：heart output，或Cardiac output，縮寫CO）是一個心臟生理學術語^[2]，它描述每單位時間心臟，左心室和右心室所泵送的血液量，是心率（HR，即每分鐘心跳數）和每搏輸出量（SV）的乘積，即CO = HR×SV^[3]。

影響心輸出量的各個因素^[1]

參考值

心室容積 檢視 討論 編輯
	右心室	左心室
舒張末期容積（英語：End-diastolic volume）	144 mL (± 23 mL)[4]	142 mL (± 21 mL)[5]
舒張末期容積 / 體表面積 (mL/m2)	78 mL/m2 (± 11 mL/m2)[4]	78 mL/m2 (± 8.8 mL/m2)[5]
收縮末期容積（英語：End-systolic volume）	50 mL (± 14 mL)[4]	47 mL (± 10 mL)[5]
收縮末期容積 / 體表面積 (mL/m2)	27 mL/m2 (± 7 mL/m2)[4]	26 mL/m2 (± 5.1 mL/m2)[5]
每搏輸出量	94 mL (± 15 mL)[4]	95 mL (± 14 mL)[5]
每搏輸出量 / 體表面積 (mL/m2)	51 mL/m2 (± 7 mL/m2)[4]	52 mL/m2 (± 6.2 mL/m2)[5]
射血分數	66% (± 6%)[4]	67% (± 4.6%)[5]
心率	60–100 bpm[6]	60–100 bmp[6]
心輸出量	4.0–8.0 公升[7]	4.0–8.0 公升[7]

參考文獻

1. Betts JG. Anatomy & physiology. 2013: 787–846 [11 August 2014]. ISBN 978-1938168130. （原始內容存檔於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]. （原始內容存檔於2020-11-01）.
4. 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. 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.
6. Normal ranges for heart rate are among the narrowest limits between 心跳過緩 and 心跳過速. See the Bradycardia and Tachycardia articles for more detailed limits.
7. Normal Hemodynamic Parameters – Adult (PDF). Edwards Lifesciences LLC. 2009.