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]。
參考值
心室容積 | ||
---|---|---|
右心室 | 左心室 | |
舒張末期容積 | 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 | 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
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