Intravenous Metoprolol Versus Intravenous Amiodarone in the Prevention of Atrial Fibrillation After Cardiac Surgery

Intravenous Metoprolol Versus Intravenous Amiodarone in the Prevention of Atrial Fibrillation After Cardiac Surgery

The aim of the study is to test the efficiency of intravenous administration of metoprolol versus intravenous administration of amiodarone in the prevention of atrial fibrillation after cardiac surgery.

Inclusion Criteria:

• elective CABG and aortic valve patients in cardiac surgery,
• previous use of betablocker therapy

Exclusion Criteria:

• previous atrial fibrillation or flutter,
• thyroid disease,
• uncontrolled heart failure,
• II or III degree atrioventricular block