Inclusion Criteria:  Patients aged over 18, who were planned to receive 300 mg amiodarone in 150 ccs of 5% dextrose + 900 mg amiodarone (maintenance) in 50 ccs of 5% Dextrose in 30 minutes (24 hour-infusion), Patients to whom PVC was placed in the upper extremity, and who did not develop phlebitis on the PVC site  Exclusion Criteria:  Cold allergy/sensitivity or circulatory disorders During the study, patients who had a change in the IV amiodarone treatment protocol, whose IV amiodarone treatment was terminated before 24 hours, whose IV amiodarone treatment protocol was started, but PVC had to be replaced for any reason during the 24-hour period