question: My father of 74 yrs had an angioplasty on friday last and since has been in the ICu. For the last 2 days his potassium was high but now it is normal. since some time he is running a fever of 102 degree F. What seem to bee the complocations here????? Most sites say that a patient usually should be able to go home within 24 hrs of angioplasty procedure.