I am 46 years old, I have a duodenal ulcer and I have hypertension, and I take for it Amlodipine 5mg and bisoprolol 2.5 mg, and amitriptyline 10 mg bedtime. 1 years ago increased rate heart beat and I had dizziness and difficulty breathing They took me to the hospital and I did ECG, it was normal, before one week the same symptoms repeated and I did ECG and I also did troponin, and X ray chest, all were normal. but I still feel difficulty breathing and weaken in my heart and some times like arrhythmia and anxiety .please your advice. Thank you