A cardiac depressant used in the treatment of life-threatening ventricular arrhythmias.
a cardiac antiarrhythmic.
indications It is prescribed in the treatment of atrial fibrillation, atrial flutter, ventricular premature complexes, and coupled ventricular tachycardias.
contraindications Cardiogenic shock, heart failure, preexisting second- or third-degree heart block in the absence of a pacemaker, sick sinus syndrome, or known hypersensitivity to this drug prohibits its use.
adverse effects Among the more serious adverse reactions are severe hypotension, precipitation of heart failure, and aggravation of heart block. Urinary retention, dry mouth, and constipation commonly occur.
A drug used in treating cardiac arrhythmias.