Sort of heavy chest, a little hard to breathe deep. not palps but feel a little strained beats, bit dizzy, tinnitus eps, been going on 2 weeks or so ?

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Get EKG: I would get an EKG and a chest xray for this, make sure it's not your heart. If you don't think it's that it could be a mild viral infection that caused inflammation of the lungs or created fluid around the heart or caused mild cardiomyopathy. Is it worse with exertion? Does the heaviness radiate somewhere when you exercise? Can you still exercise? Any cough? Leg swelling?