i had a ekg and chest x-ray and was told it was normal,cardiac bloods were normal,my symptoms are weakness,fatigue,joint pain,all cbcs were normal, had 4 docs listen to my heart also said normal,bp is around 130/80 pulse usually stays at around 72 sometimes i get a racing heart and can feel the pulse and see it in my stomach area, i am thin, my family doc today told me that my chest xrays and ekg were fine and then said that there was a slight enlargement of my right ventricle and dismissed it as nothing hes been a doc for 50 years i think he knows what hes talking about should i be worried ,why would the e.r. doc who did the ekg say it was norm and my doc say it was if this abnormality is present, please respond