Under which circumstances should a nurse contact the physician to postpone an angiography?

Question

Quizplus · Accepted Answer

A patient needs to be NPO for 6 to 8 hours before the procedure to prevent possible aspiration because the patient is sedated.The site of catheter insertion needs to be shaved and prepped with antiseptic just before the procedure.Benadryl is used prophylactically to block histamine and decrease allergic responses.Elevated BUN or creatinine levels would place patients at risk for renal failure induced by contrast media.

Under Which Circumstances Should a Nurse Contact the Physician to Postpone