RT230

What is the equation for Raw?

Pip - Plat / Flow in cmh20/L/sec
What is the equation for arterial vs alveoli pressure?

P(A-a)O2 = PAO2 - PaO2 mmHg
What is the equation for arterial mixed venous O2 content difference?

C(a-v-O2 = CaO2 - CvO2 in volume %
What is the cardiac output equation?

QT = VO2 / (C(a-v) O2 x 10) in L/min
What is the equation for dynamic compliance?

Cdyn = Vt / pip - peep mL/cmh20
What is the equation for static compliance?

Cstat = Vt / plat - peep mL/cmh20
What is the deadspace to tidal volume ratio?

Vd / Vt = PaCO2 - PeCO2 / PaCO2 in %
What is the I:E ratio?

Ti / Ti : Te / Ti
What is the alveolar ventilation equation?

Va = (Vt - Vd) x RR in liters
What is the arterial content equation?

CaO2 = (Hb x 1.34 x SaO2) + (PaCO2 x 0.003) in volume %
What is the equation for a new RR?

current RR x current PaCO2 / desired PaCO2 B/min
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
What is the shunt equation?

Qs / Qt = CcO2 - CaO2 / CcO2 - CvO2 in %

Author

m1kezor

70369

Card Set

RT230

Description

Equations

Updated

2011-03-03T04:28:49Z

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