RT230

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Author:
m1kezor
ID:
70369
Filename:
RT230
Updated:
2011-03-02 23:28:49
Tags:
Resp Equations
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Description:
Equations
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  1. What is the equation for Raw?
    Pip - Plat / Flow in cmh20/L/sec
  2. What is the equation for arterial vs alveoli pressure?
    P(A-a)O2 = PAO2 - PaO2 mmHg
  3. What is the equation for arterial mixed venous O2 content difference?
    C(a-v-O2 = CaO2 - CvO2 in volume %
  4. What is the cardiac output equation?
    QT = VO2 / (C(a-v) O2 x 10) in L/min
  5. What is the equation for dynamic compliance?
    Cdyn = Vt / pip - peep mL/cmh20
  6. What is the equation for static compliance?
    Cstat = Vt / plat - peep mL/cmh20
  7. What is the deadspace to tidal volume ratio?
    Vd / Vt = PaCO2 - PeCO2 / PaCO2 in %
  8. What is the I:E ratio?
    Ti / Ti : Te / Ti
  9. What is the alveolar ventilation equation?
    Va = (Vt - Vd) x RR in liters
  10. What is the arterial content equation?
    CaO2 = (Hb x 1.34 x SaO2) + (PaCO2 x 0.003) in volume %
  11. What is the equation for a new RR?
    current RR x current PaCO2 / desired PaCO2 B/min
  12. What is the new RR for a rate that has already been set?
    (Set RR x Current PaCO2) x set Vt / Desired PaCO2 x new Vt in B/min
  13. What is the shunt equation?
    Qs / Qt = CcO2 - CaO2 / CcO2 - CvO2 in %

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