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,指每博輸出量英語Stroke volume心室舒張末期容積英語End-diastolic volume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

心室容積
右心室 左心室
舒張末期容積英語End-diastolic volume 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]
收縮末期容積英語End-systolic volume 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 bmp[4]
心輸出量 4.0–8.0 公升[5] 4.0–8.0 公升[5]

參考文獻

  1. ^ 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. ^ 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 (PDF). European Heart Journal. December 2006, 27 (23): 2879–88. PMID 17088316. doi:10.1093/eurheartj/ehl336. 
  3. ^ 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. ^ 4.0 4.1 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.
  5. ^ 5.0 5.1 Normal Hemodynamic Parameters – Adult (PDF). Edwards Lifesciences LLC. 2009.