chest was real tight and felt like her heart was going to come out of her chest; heart beating really fast and pumping hard; shivers; tired a lot; It could have been swollen for a while, she probably just got used to it; headaches; This is a spontaneous report from a contactable consumer (patient). A 61-year-old female patient received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for Injection, Batch/Lot Number: EN6201), via an unspecified route of administration, administered in arm left on 16Feb2021 (at the age of 61-year-old) at a 2nd dose, single dose for COVID-19 immunization. The patient medical history was not reported. Family history included patient husband has cancer and had it twice, just finished treatment, heart trouble on her dad's side. He lived to be 90 and had 2 bypasses and had clogged arteries. Patient did not receive any other vaccines within 4 weeks prior vaccinations. The patient concomitant medication included losartan at a dose of 50 mg 1x/day taken for blood pressure high, vitamin D NOS 1x/day, zinc maybe once a week, acetylsalicylic acid (BABY ASPIRIN Chewable) did not take it regularly maybe 2 or 3 times a week; ascorbic acid, cobalt sulfate, copper sulfate, ergocalciferol, ferrous fumarate, magnesium sulfate, manganese sulfate, nicotinamide, potassium iodide, pyridoxine hydrochloride, retinol, riboflavin, thiamine hydrochloride, tocopherol, vitamin b12 nos, zinc gluconate (MULTIVITAMIN (16)) 2 or 3 times a week, once in a while. The patient previously received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Lot number: E69262) via an unspecified route of administration, administered in upper arm right on 21Jan2021 at a 1st dose, single dose for COVID-19 immunization, losartan for blood pressure high (has been taking for probably 2 years), patient takes the flu shots yearly. The patient experienced tired a lot, it could have been swollen for a while, she probably just got used to it, headaches on an unspecified date in 2021, shivers on 17Feb2021, chest was real tight and felt like her heart was going to come out of her chest, heart beating really fast and pumping hard on 18Feb2021. Patient stated she is calling regarding the Pfizer Covid 19 vaccine. Patient took that and after watching things and having complications, she got on this one website and it said to call, so she did. It was her heart. After the second shot, that day, there was nothing. Then, patient had shivers the next night and then the next night it felt like her heart was going to come out of her chest. Patient was taking Benadryl because she knew it was an anti-inflammatory. After the shot, patient sat for 10 to 15 minutes, then she was gone. After the second shot, patient had shivers the second night, all night long. Then, the next night, she felt like her chest was just real tight. Patient could tell her heart was pumping hard. Patient thought it was going to come out of her chest. Patient though, she didn't know what to think. It was beating really fast and swollen like it was pumping hard. After that, patient was just tired a lot. Patient is just now getting to where she is not tired like she was. It could have been swollen for a while, she probably just got used to it. Patient did not clarify this statement but did mention swollen in regards to her heart previously. Patient is still feeling tired but feeling a little bit better. Patient was never having headaches, and she started having headaches after. It could have been weeks after but does not know exactly when it started. She has not been having them now for about a month. Younger ones don't need to be taking this. Feels like it affects the heart and with everything else they don't need. Patient had a physical examination. Patient thinks she mentioned to her the bad shivers and the heart thing. She does not know if she told her about her heart coming out of her chest. The patient received Benadryl, Tylenol, Aspirin, Advil as a treatment medication for the events. Outcome of the events was unknown.  Information about Lot/Batch number was available. Additional information has been requested.