Age: 72.0
Sex: M
Vaccine: COVID19, COVID19, FLUX
Symptoms: Palpitations
Clinical narrative: my heart would speed up, slow down, gave me a-fib again, I have had a-fib before I know what it feels like (Further not clarified) and its been happening on and off last night.; My heart would speed up, slow down, gave me a-fib again; its been happening on and off last night; My heart speeded up and it put me in the a-fib; I am sitting or standing some place my heart would just take off and race; heart racing; fluttering of the chest; tired; 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. Other Case identifier(s): US-PFIZER INC-202200071463 (Pfizer).  A 72 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 30Dec2021 (Batch/Lot number: unknown) at the age of 72 years as dose 3 (booster), single for covid-19 immunisation; influenza vaccine (INFLUENZA VACCINE) (Batch/Lot number: unknown) as dose number unknown, single for immunisation. Relevant medical history included: "I do have a heart condition" (unspecified if ongoing), notes: Patient History: Yes, I do have a heart condition(Intent History); "Pacemaker" (unspecified if ongoing), notes: I have a pacemaker, I am not going to fall down dead.; "Atrial fibrillation" (unspecified if ongoing). Concomitant medication(s) included: METOPROLOL taken for cardiac disorder. Vaccination history included: Bnt162b2 (Dose:1, the first two shots that I had, I had no affect at all, there was no adverse effect whatsoever, none), administration date: Feb2021, when the patient was 71 years old, for COVID-19 Immunization, reaction(s): "No reaction on previous exposure to vaccine"; Bnt162b2 (Dose:2, the first two shots that I had, I had no affect at all, there was no adverse effect whatsoever, none), administration date: Mar2021, for COVID-19 Immunization, reaction(s): "No reaction on previous exposure to vaccine". The following information was reported: ATRIAL FIBRILLATION (medically significant), outcome "unknown", described as "my heart would speed up, slow down, gave me a-fib again, I have had a-fib before I know what it feels like (Further not clarified) and its been happening on and off last night."; HEART RATE IRREGULAR (non-serious), outcome "unknown", described as "My heart would speed up, slow down, gave me a-fib again; its been happening on and off last night; My heart speeded up and it put me in the a-fib"; PALPITATIONS (non-serious), outcome "unknown", described as "I am sitting or standing some place my heart would just take off and race; heart racing"; PALPITATIONS (non-serious), outcome "unknown", described as "fluttering of the chest"; FATIGUE (non-serious), outcome "unknown", described as "tired". The events "my heart would speed up, slow down, gave me a-fib again; its been happening on and off last night; my heart speeded up and it put me in the a-fib" and "i am sitting or standing some place my heart would just take off and race; heart racing" were evaluated at the physician office visit. The patient underwent the following laboratory tests and procedures: heart rate: 130, notes: my heart was running at 130; 60, notes: typically in the morning its 60 now; 74, notes: morning it was 74 not alarming,; 100, notes: anything under 100 is not alarming; investigation: unknown result. Therapeutic measures were taken as a result of heart rate irregular, palpitations.  Clinical course: Patient stated he had the Pfizer shot over a week ago, the booster, he had the booster shot at with held in withheld, withheld and the first day it was fine and then what would happen is, he do have a heart condition(Intent History) and his heart would speed up, slow down, gave him a-fib again, he have had a-fib before he knew what it feels like (Further not clarified) and its been happening on and off last night. he had to quadruple my medication (Metoprolol), his heart was running at 130, he have a meter that he can put on it and so, there is something wrong with this. Now, the first two shots that he had, he had no affect at all, there was no adverse effect whatsoever, none, but this booster shot forget it. Patient stated, Yes, he got it at with held. He was going to be, going over there and he will probably stand there with a sign saying not to get the Pfizer shot and he might be arrested but that's okay because there is something wrong with this. If this does this to me, he had to quadruple his medication, he do have medical conditions due to being in the service and being overseas 52 years ago (Further clarification unknown) but that's something different his medication has kept his heart rate in a nice even pace. Now, he quadruple his medication and typically in the morning its 60 now, this morning it was 74 not alarming, no, anything under 100 is not alarming (Further not clarified). He understands that, he have been to the emergency room more than once (Further not clarified). So, he didn't run to the emergency room. He was thinking about it but he just kept on taking more and more medication. Patient stated, his heart speeded up and it put him in the a-fib and then his , as he was sitting or standing some place his heart would just take off and race. He do not know what medical condition that is called but heart racing. He does not know, whatever that is called. Patient stated, "he have had ablations but that, he was trying to get through to that his heart rate was okay before he had the shot and when he went to his Cardiologist and he said to him, he having an adverse effect from the Pfizer booster that he had. He had the two shots of Pfizer (COVID Vaccine) in February and March of 2021 that was it, he had a flu shot way before that but nothing affected me from the flu shot. Patient stated, he had reported that his heart would speed up, slow down. The Pfizer Covid vaccine gave him A-Fib. He has had problems with his heart from being overseas years ago. For 2.5 weeks or more his heart would go nuts, had to quadruple his A-fib medication.  The lot number for bnt162b2 was not provided and will be requested during follow up.