A parasympatholytic drug used to treat various heart conditions involving abnormal heart rates. It is administered by mouth; side-effects such as dry mouth, blurred vision, difficulty in urination, and digestive upsets may occur.
An antiarrhythmic drug given by intravenous injection after myocardial infarction to restore supraventricular and ventricular arrhythmias to normal, particularly when patients have not responded to lidocaine (lignocaine). It can impair the contractility of heart muscle and it does have an antimuscarinic effect; consequently its administration has to be undertaken with care, especially in patients with glaucoma or cardiac enlargement.
An antiarrhythmic drug is employed to treat abnormally rapid heartbeats, which can occur following a myocardial infarction (heart attack). This medication works by reducing the force of heart muscle contractions. However, it’s important to note that it may worsen pre-existing heart failure. Potential side effects of this drug include dry mouth and constipation.