28 



PHYSIOLOGY OF INDUCED HYPOTHERMIA 



TABLE I 



Temperature 

 centigrade 



27' 



17.2° 



15.3° 



15.2° 



10° . 



8.5° 

 G.y 

 5.8° 

 5.6° 

 5.5° 

 4.5° 



4.0° 



Rate of loss of tissue potassium 

 micro Eq./gram wet weight/hour 



Rats 



-0.20 



-0.13 



0.00 



0.19 

 0.19 

 0.20 



-0.13 



-0.07 



-0.03 



0.10 



1.17 



6.22 

 4.20 

 2.45 

 2.45 

 2.10 

 2.05 



5.94 

 3.00 

 2.53 

 2.43 



4.84 



5.61 



Hamsters 



0.00 

 0.13 

 0.13 

 0.15 

 0.24 

 0.2: 

 0.43 



0.17 



0.30 

 0.20 

 0.00 



1.23 

 2.00 

 3.82 

 3.54 

 1.26 



'3.53 

 .3.03 



Rat . . . . 

 Hamster 



TABLE II 



Minimum 



survivable 



body 



temperature — ■ 



Adolph' 



. . 14.8° 

 .. 3°-3.8° 



Temperature 



below which 



net potassium 



loss occurs 



15°-10° 

 6°-10° 



