162 



PHYSIOLOGY OF INDUCED HYPOTHERMIA 



Animal Protocol #54-107 



FAPn, TPR 

 mm Hg dynes cm^/|i^2 



Meon Femorol 

 Artery Pressure 

 (FAP) 



Totol Peripherol 

 ResisfQnce(TPR) 



Heart Rote 



Oxygen Consumption 



cc /min /M' 



I50H 



100 



50H 



Cordioc Indeie 

 L/min/M^ 



4.0" 



2.0- 

 OnJ 



A-V O2 Difference 

 Vol.% 



15.0- 

 10.0- 

 5.0- 



o.p-i 



Left Ventriculor Work 

 Kg m/min/M^ 



60 



4.0- 

 2.0- 



0.0- 



rc 



"T" 

 35 



36 30 30|h 35 363h 



Fig. 1. — Physiologic changes during hypothermia and on rewanning in a typical c 

 Three hours after rewanning the animal is in circulatory failure. 



Heort Rote 

 per minute 



120 



-100 



-80 



-60 



-40 



-20 



-0 



-xperimont. 



