MYOCARDIAL INFARCTION-HUGGINS 393 



disease whereas our dogs have otherwise normal hearts. This study suggests that if 

 the potential benefits to be derived from an operation under hypothermia are great 

 and there is no evidence of current myocardial ischemia (by history or electro- 

 cardiogram), the history of a past uncomplicated myocardial infarction should not 

 serve as an absolute contraindication to coolino-. 



