<unk>  is a calcium channel blocker that is FDA approved for the treatment of essential hypertension (tablet and capsule), rapid conversion to sinus rhythm of paroxysmal supraventricular tachycardias, and temporary control of rapid<unk> entricular rate in atrial flutter or atrial fibrillation (injection).   Common adverse reactions include edema, hypotension, constipation, dizziness, headache, pharyngitis, sinusitis, and influenza-like symptoms.
Verapamil
Amiodarone 
Benziodarone
Propafenone
Flecainide
Procainamide
Tocainide
Lorcainide