<unk>  is a Beta-adrenergic agonist drug that is FDA approved for the treatment of Hypertension, AMI, Angina.   Adverse reactions include Here are some adverse reactions.
Lopressor IV
Lopressor injection
Transcutaneous pacing
Defibrillation
Invasive hemodynamic monitoring
Transvenous pacing
AVNRT cardioversion
Intravascular ultrasound