fick equation Flashcards
1
Q
what determines Pao2
A
fio2
diffusion
ventilation
perfusion
2
Q
what determines cao2 max
A
pao2
hemoglobin concentration
sao2
3
Q
what determines cvo2 max
A
skeletal muscles aerobic enzymes fiber type muscle type capillary density
4
Q
what determines svmax
A
genetic factors (heart size) conditioning factors (contractility, afterload, preload) disease factors of the heart (stenosis, regurg, ventricular function)
5
Q
what determines hrmax
A
sinus node dysfunction
drugs (beta blockers)
6
Q
what is the fick equation
A
vo2max = (hrmax x svmax) x (cao2max-cvo2max)
