question: I am taking corvadil a  i tablet at night but all stress test was normal still I feel like tired and a pain on the nerve of forearm of my left hand.also i took vitcofol inj and after 10 minutes i collasped for 4 to 5 sec never this has happened and since I feel weak and face fatigue not to perform my daily act Is there some problem related to my heart my stress test was normal and my lipid and sugar are on borderline.I had slip disc and spondiltis problem alsois there problem.