Metoprolol For Tachycardia. It can increase the risks of stroke and cardiac arrest. Ventricular tachycardia V-tach or VT is a type of regular fast heart rate that arises from improper electrical activity in the ventricles of the heart.
Ventricular tachycardia VT refers to any rhythm faster than 100 or 120 beatsmin arising distal to the bundle of His. Both oral and intravenous preparations are available. Side effects include low blood pressure dreaming diarrhea abdominal cramps and sore throat.
The condition is caused by reentry.
25 to 100 mg 1 to 2 times daily AHAACCHRS Al-Khatib 2017. However there is considerable regional variability in emergency physician practice patterns and debate among physicians as to which agent is more effective. Metoprolol succinate is a beta1-selective cardioselective adrenoceptor blocking agent for oral administration available as extended-release tablets. Clinical pharmacology studies have confirmed the beta-blocking activity of metoprolol in man as shown by 1 reduction in heart rate and cardiac output at rest and upon exercise 2 reduction of systolic blood pressure upon exercise 3 inhibition of isoproterenol-induced tachycardia and 4 reduction of reflex orthostatic tachycardia.