Cardiovascular data and Hemodynamics formulas

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Author:
josephplam
ID:
11418
Filename:
Cardiovascular data and Hemodynamics formulas
Updated:
2010-03-25 02:24:38
Tags:
icu
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Cardiovascular data and Hemodynamics formulas
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  1. CI (cardiac index)=
    2.5-4.2 Lmin-1.m2
  2. CO =
    4-7 L/min
  3. SI (stroke index)=
    46 +/- 5 ml/m2
  4. MPAP (mean pul artery
    pressure)=
    12-15 mmHg
  5. PAP (pul artery pressure) =
    20-30/8-12 mmHg
  6. PCWP =
    5-12 mmHg
  7. PVRI=
    270 +/- 15 dyne.s/cm5.m2
  8. SVRI=
    1680-2580 dyne.s/cm5.m2
  9. CVP=
    • -2 to +6 mmHg
    • (20-25 mmHg= too much fluid)(increased during mech vent pts because higher
    • intrathoracic pressure)
  10. MAP=
    80-95 mmHg
  11. CaO2
    • = Arterial O2 Content (ml O2/dL)= 1.36 (Hgb)(SaO2) + 0.003 PaO2
    • (SaO2 = Arterial O2 Saturation)
  12. DO2
    = O2 Delivery(ml O2/min)= CO x CaO2 x 10

    
  13. CvO2
    = mixed Venous O2 Content (ml O2/dL)= 1.36 (Hgb)(SvO2) + 0.003 PaO2

    (SvO2 = mixed Venous O2 Saturation)
  14. VO2 (O2 consumption)
    = CI (CaO2-CvO2)
  15. O2 extraction ratio
    = (CaO2-CvO2)/ CaO2

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