Normal stroke volume
50-100cc
Normal VTI
20cm
Assumes LVOT diameter 2cm and therefore LVOT area of 3.14cm2
3.14cm2*20cm is approximately 60cc stroke volume (normal is 50-100cc)
Normal SvO2
60-80%
Normal PVR
<2 Woods units
Decrease in CMRO2 per degree cooling
6-7% per degree
Impella depth (e.g. CP, not Impella 5.5)
3.5cm
Impella 5.5 depth
4.5-5cm