My heart rate is high today, im on diltiazem (120 mg) once daily and coreg (carvedilol) (6.25 mg) twice daily but my hr still goes high for no apparent reason.

Why on meds ? The answer may be related to the reason you are on these medications, which you have not mentioned. Cannot give a good answer without knowing that.

Related Questions

Had a echocardiography & was told I had a weak heart & mild regulation from valves & rapid heart rate. Was put on carvedilol what caused weak heart?

Various. There are many causes of a weak heart muscle, most common being hypertension and diabetes. The heart may also have been damaged from a viral infection, or even silent heart attacks (unlikely at your age). The cardiologist can give insight into the possible causes, and will monitor your response to treatment. Read more...