Can metopolo cure irregular heart beat?

Cardiologist: Input is what you need, metoprolol, is meant mainly to treat hypertension, heart failure, angina, etc.., treating irregular heart beat is different and depends on evaluation by a cardiologist, who may or may not use metoprolol

Depending: It would depend why the medication was prescribed and what the diagnosis is for. It can prevent some abnormal rhythms or irregular types of heartbeats but it is also used to control the rate of other rhythms.

Metoprolol: Metoprolol is used for different reasons including controlling heart rate in certain kinds of irregular heart rhythms , high blood pressure, angina etc.