Inclusion Criteria:  A patient aged between 20 and under 60 who decided to undergo uterine artery embolization for symptomatic uterine myoma.  Exclusion Criteria:  Bradycardia on electrocardiogram (< 45 bpm) Ventricular conduction abnormalities Liver failure Kidney failure Uncontrolled high blood pressure Obesity (BMI ≥ 30 ㎏/㎡) Patients who are allergic to drugs Patients who cannot read consent forms such as illiterate or foreigners Pregnant woman