pain in left arm in the muscle; burning in left arm and in the muscle where she got the injection; heart attack; sore arm; redness; felt a little run down; tingling down the rest of her arm; 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 52 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 19Apr2021 09:09 (Lot number: EW0158) at the age of 52 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "Meniere's disease" (unspecified if ongoing), notes: Verbatim: Meniere's disease; "vertigo" (unspecified if ongoing); "blood pressure" (unspecified if ongoing). Concomitant medication(s) included: OLMESARTAN taken for hypertension; TRIAMTERENE & HCTZ taken for blood pressure abnormal, vertigo. Vaccination history included: Bnt162b2 (First Dose, LOT: EM9810, Anatomical Location: left upper arm), administration date: 29Mar2021, when the patient was 51 years old, for COVID-19 immunization; Flu shot (She has been getting the flu shot every year and has never had a reaction.). The following information was reported: MYALGIA (hospitalization) with onset Apr2021, outcome "unknown", described as "pain in left arm in the muscle"; VACCINATION SITE PAIN (hospitalization) with onset Apr2021, outcome "unknown", described as "burning in left arm and in the muscle where she got the injection"; MYOCARDIAL INFARCTION (hospitalization, medically significant) with onset Apr2021, outcome "unknown", described as "heart attack"; PAIN IN EXTREMITY (non-serious) with onset Apr2021, outcome "unknown", described as "sore arm"; ERYTHEMA (non-serious) with onset Apr2021, outcome "unknown", described as "redness"; FATIGUE (non-serious) with onset Apr2021, outcome "recovered", described as "felt a little run down"; PARAESTHESIA (non-serious) with onset Apr2021, outcome "unknown", described as "tingling down the rest of her arm". The patient was hospitalized for myalgia, vaccination site pain, myocardial infarction (start date: 03May2021, discharge date: 05May2021, hospitalization duration: 2 day(s)). The events "pain in left arm in the muscle", "burning in left arm and in the muscle where she got the injection", "heart attack", "sore arm", "redness" and "tingling down the rest of her arm" were evaluated at the physician office visit and emergency room visit. The patient underwent the following laboratory tests and procedures: investigation: normal, notes: In the hospital, they ran some tests and everything was normal. Therapeutic measures were not taken as a result of myalgia, vaccination site pain, myocardial infarction, pain in extremity, erythema, fatigue, paraesthesia. Clinical course: The patient got the second shot in Apr2021 and she really didn't have too many side effects. She just had a sore arm or whatever. She had a little redness from it but that was normal. The next day, she felt a little run down and the only reason she knows that is, the next day, she had a lot of energy. A couple of weeks later, she was getting burning in that arm and in the muscle where she got the injection. It kept her up all night for 2 days. She thought she was having a heart attack and she felt like there was tingling all down the rest of her arm. The following week, she had a flare up again and was up all night. She ended up in the ER on 03May2021 because she thought she was having heart attack She was admitted for a couple days and then she was fine. She states that they never could confirm that it was from the Covid shot. It was that Sunday night, 02May2021 when this was occurring and it was maybe 23Apr2021, 24Apr2021 or 25Apr2021 when she first experienced these symptoms. She states that she had her second shot of the Pfizer, 19Apr2021 and she would say that it was at least a good week or maybe it was 26Apr that the symptoms first occurred. She still has this from Apr2021 and it is not ongoing but she has flare ups. It is irritating and burns in the muscle where she had the shot in the left arm. It is all in the muscle of the left upper arm. Clarified that she was admitted to the hospital and she admitted that she knew the EKG was funny and she had just been to the cardiologist a week before when she was having arm pain. She went to the doctor and they set her up for a big test a couple of weeks later. After that, the burning the second time, was keeping her up all night and she had to go to the hospital. It was 03May2021 that she was admitted to the hospital and she was there for 2 days and was let out on 05May2021. Everything was fine after that. By the time 03May2021 came, by that evening, her arm was starting to feel better. The patient did have Tylenol after the shot. Clarified that the patient had not had any treatment or medications other than being in the hospital. No follow-up attempts are possible. No further information is expected.