,HOSPITAL COURSE: , This 32-year-old with family history of premature coronary artery disease came in for evaluation of recurrent chest pain, O2 saturation at 94% with both atypical and typical features of ischemia. 
,HOSPITAL COURSE : , This 32 - year - old with family history of premature coronary artery disease came in for evaluation of recurrent chest pain , O2 saturation at 94 % with both atypical and typical features of ischemia .