NPO except meds. Hospital gown - no undergarments. Outpatients should wear comfortable clothing. The patient's skin will be prepped and a local anesthesia administered. The catheter is placed percutaneously into the artery and positioned using a guidewire under fluoroscopy.
Contrast is injected into the catheter to outline the aortic arch and radiographs are taken.
This sensation is normal and transient. Maintain position and follow directions as given. Bedrest for eight hours. Head of bed should be flat. No sitting up.