High fears after heart episode...

In July 12, 2009 I had cocaine induced ischemia (that's what they told me). I am 22 y/o.I was working as a Chef, studying and not sleeping well also. A lot of stress!!! I've since been to the ER 6 times with tachycardia and chest pain. After various evaluations this are some of the results from a Thallium test: "Gated images show mild septal hypokinesia. The global left ventricular EF is 40%, which appears to be falsely decreased. No evidence of stress-induced ischemia on the Left Ventricular myocardium at the level of exercise attained (which was 119% of the max. predicted heart rate). In my echo: "Adequate LVSF, Estimated LVEF 60-65%, Mild Pulmonary-Trivial Mitral-Mild Tricuspid-Trivial Aortic valve regurgitations. My chest x-ray was negative. My blood pressure is always ok. I have been taking Bisoprolol which I think was working and now my cardiologist added Ramipril which makes me feel super bad. He says the damage I had can be reversible, but I'm so scared and he doesn't explain things very well, so I'm changing cardiologist. At night I can't sleep and my heart is beating HARD not fast, Do you think something more serious is happening here? Or is just the healing of the heart that is not easy.? I know being so anxious doesn't help but it's my heart and I can't avoid being so paranoid.

THANKS!!!

[Cleveland Clinic]

Your echo shows that your heart is recovering well.  Make sure you stay on those two medications for now.  It is extremely important that you do.  The hard beating of the heart is probably normal, especially in the setting of being on a bisoprolol.  I would not be concerned about that at all.