having like heart pain; every time I exercise when I come back I have these like feel like heart flutters; feeling of like something like stuck around my heart; appetite issues; I felt like my body is telling me something is wrong something is off \ when I try go to sleep it usually happen like yeah I feel like, I have like mini heart attack; I am stressing out; it is just like it hurts a lot; I am feeling nauseous and stuffed up and I just felt just like there is something like lodged in my side like around my heart area.; I am feeling nauseous and stuffed up and I just felt just like there is something like lodged in my side like around my heart area.; I have not been able to breathe normally and I am perfectly physically healthy and I take care of myself so; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A patient (no qualifiers provided) received BNT162b2 (BNT162B2), as dose number unknown, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: ANGINA PECTORIS (medically significant), outcome "unknown", described as "having like heart pain"; CARDIAC FLUTTER (medically significant), outcome "unknown", described as "every time I exercise when I come back I have these like feel like heart flutters"; CARDIAC DISORDER (non-serious), outcome "unknown", described as "feeling of like something like stuck around my heart"; APPETITE DISORDER (non-serious), outcome "unknown", described as "appetite issues"; FEELING ABNORMAL (non-serious), outcome "unknown", described as "I felt like my body is telling me something is wrong something is off \ when I try go to sleep it usually happen like yeah I feel like, I have like mini heart attack"; STRESS (non-serious), outcome "unknown", described as "I am stressing out"; PAIN (non-serious), outcome "unknown", described as "it is just like it hurts a lot"; NAUSEA (non-serious), VOMITING (non-serious), outcome "unknown" and all described as "I am feeling nauseous and stuffed up and I just felt just like there is something like lodged in my side like around my heart area."; DYSPNOEA (non-serious), outcome "unknown", described as "I have not been able to breathe normally and I am perfectly physically healthy and I take care of myself so". The patient underwent the following laboratory tests and procedures: Ultrasound scan: I am fine, notes: I have test done, I have ultrasound done (Further could not be clarified over the call hence tab left unchecked). I am fine, yeah.  Clinical course:Consumer stated, "Mainly, I am having like heart pain, like that like feeling of like something like stuck around my heart and I have been having like appetite issues. I felt like my body is telling me something is wrong something is off. I mean I am super healthy and I exercise all the time I did but now every time I exercise when I come back I have these like feel like heart flutters (Event captured as per verbatim). Then like when I try go to sleep it usually happen like yeah I feel like, I have like mini heart attack (Further clarifications unknown hence event captured as per verbatim). I know it is probably not that but that what it feels like, it is like 5 second right (Further not clarified), I just like it is just like it hurts a lot. I need some help with that. I do not know if I called the right department sorry if I am stressing out but it is urgent."Consumer stated, "I am having heart pain every time I exercise. It is been really hard to get around with that feeling. I am feeling nauseous and stuffed up and I just felt just like there is something like lodged in my side like around my heart area. I have not been able to breathe normally and I am perfectly physically healthy and I take care of myself.When paraphrased the concern: Consumer stated, "Yeah, I am pretty sure is that everyone, every other thing I have tried different things, I have test done, I have ultrasound done (Further could not be clarified over the call hence tab left unchecked). I am fine, yeah."Product details, Pharmacy details and other details could not be probed as consumer was unwilling to complete the report. Hence further probing could not be done. Limited information available over the call.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.