射血分數
射血分數（英語：ejection fraction，縮寫EF）是一個心臟生理學術語，指每博輸出量占心室舒張末期容積的百分比，可分為左心室射血分數（left ventricular ejection fraction，LVEF）和右心室射血分數（right ventricular ejection fraction，RVEF）[1]。
正常值
[編輯]| 心室容積 | ||
|---|---|---|
| 右心室 | 左心室 | |
| 舒張末期容積 | 144 mL (± 23 mL)[2] | 142 mL (± 21 mL)[3] |
| 舒張末期容積 / 體表面積 (mL/m2) | 78 mL/m2 (± 11 mL/m2)[2] | 78 mL/m2 (± 8.8 mL/m2)[3] |
| 收縮末期容積 | 50 mL (± 14 mL)[2] | 47 mL (± 10 mL)[3] |
| 收縮末期容積 / 體表面積 (mL/m2) | 27 mL/m2 (± 7 mL/m2)[2] | 26 mL/m2 (± 5.1 mL/m2)[3] |
| 每搏輸出量 | 94 mL (± 15 mL)[2] | 95 mL (± 14 mL)[3] |
| 每搏輸出量 / 體表面積 (mL/m2) | 51 mL/m2 (± 7 mL/m2)[2] | 52 mL/m2 (± 6.2 mL/m2)[3] |
| 射血分數 | 66% (± 6%)[2] | 67% (± 4.6%)[3] |
| 心率 | 60–100 bpm[4] | 60–100 bpm[4] |
| 心輸出量 | 4.0–8.0 公升[5] | 4.0–8.0 公升[5] |
參考文獻
[編輯]- ^ Appleton CP, Galloway JM, Gonzalez MS, Gaballa M, Basnight MA. Estimation of left ventricular filling pressures using two-dimensional and Doppler echocardiography in adult patients with cardiac disease. Additional value of analyzing left atrial size, left atrial ejection fraction and the difference in duration of pulmonary venous and mitral flow velocity at atrial contraction. Journal of the American College of Cardiology. December 1993, 22 (7): 1972–82. PMID 8245357. doi:10.1016/0735-1097(93)90787-2.
- ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 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. European Heart Journal. December 2006, 27 (23): 2879–88. PMID 17088316. doi:10.1093/eurheartj/ehl336.
- ^ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 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.
- ^ 4.0 4.1 正常心率範圍介於心跳過緩與心跳過速之間的狹窄區間。有關更詳細的標準，請參閱心動過緩與心動過速條目。
- ^ 5.0 5.1 Normal Hemodynamic Parameters – Adult (PDF). Edwards Lifesciences LLC. 2009.
