I recently had an ekg at my doctor s office, it said I had a heartattack and an enlarged right atrium... I go in 3 days for corotoid us, echocardiogram, and a cxr, along with a stress test. I am still experincing left arm tingling, and palputations, do not know what to do? I went to my doctor because I was having left arm pain, burning, and tingling. It was my first visit, due to my old doctor retiring. I loved him. I am worried that since I had a heartattack, that sitting here is making my heart worse... Should I be in a hospital.... please tell me what to do until the tests. Also, I am very tired, no energy, and having heart palputations off and on.. please help