Metoprolol
"In 2013 summertime, I have "Repair of Ascending Aortic Aneurysm" operation.  The 50 mg Metoprolol is one of the main medication that help me in heart rate and hypertension. 

The Norvasc and Hydrochorlthadize are other medication that cannot without it .  But the Diovan makes my heart uncomfortable. It took me a year to figured out.//"