 The patient is admitted in the morning to the Medical Surgical Day Unit at the Toronto General Hospital. Initial nursing assessment includes the documentation of vital signs and allergies, and obtaining intravenous access. The patient is transported to the Department of Medical Imaging, where care is provided by the Interventional Radiology team consisting of a Radiologist, Radiology Nurse, and Radiology Technologist. Informed consent and satisfactory blood work results platelet count, INR, and PTT are confirmed. Pre-treatment CBC and creatinine will be measured and a urinalysis will be performed. Intravenous sedation is given midazolam, fentanyl, meperidine, andor dimenhydrinate during the continuous monitoring of the patient, which includes pulse oximetry and blood pressure readings. 