Equations Flashcards
1
Q
Equation for pulsatility index (LVAD)
A
Qmax-Qmin/Qaverage x10
2
Q
Equation for Fick
A
CO = VO2/(Ca-Cv)
CO = oxygen consumption / arteriovenous O2 difference
3
Q
What is the oxygen carrying capacity equation?
A
CaO2 = 1.34 * [Hgb] * (SaO2/100) + 0.003 * PaO2
4
Q
Law of Laplace equation
A
wall stress = pressure (P) x radius (R) / 2 x wall thickness (W).
Stress = PR/2W