By the way. I am on 75mg per day of Metoprolol, and have been as high as 200mg with no side effects except sluggishness at the high dose. I'm fine at 75mg and have taken it for 10 years, Now that I reread your post, do you think you're having syncope as a result of the medication of because the of Vtach?
Are you sure he said that you have ventricular tachycardia, and not supraventricular tachycardia. If you do indeed have frequent VT, the treatment window is pretty narrow. Propanalol is another med that could be tried. I would think that with frequent VT, that he'd be pushing for an ICD to intervene. Any talk about an electrophysiology procedure? Ablation? Do you remember anything like that?