<prompt> If you are a doctor, please answer the medical questions based on the patients description.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.  <response>: Hello, Your father seems to have an infection related to the angioplasty procedure. Infection is a known complication of every intervention including angioplasty. For this reason, antibiotic therapy may be needed, based on the lab test results complete blood count, PCR, ESR, blood bacterial culture, a urinalysis, a urine bacterial culture. In such cases, a longer hospitalization period may be needed. Hope I have answered your query. Let me know if I can assist you further. 