I had severe pounding of the heart for 4-6 minutes (it pounded so hard I thought it was going to come out of my chest-but no pain)/two weeks afterward having some heart palpitations; slightly swollen tong; felt lightheaded; flushed face; raised blood pressure of 145; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 57-year-old female patient (not pregnant) received BNT162b2 (BNT162B2), on 31Mar2022 at 15:30 as dose 4, (booster), single (Lot number: F55683) at the age of 57 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "hypertension" (unspecified if ongoing); "hypothyroidism" (unspecified if ongoing). Concomitant medication(s) included: OLMESARTAN; LEVOXYL. Past drug history included: Known allergies: codeine, reaction(s): "Known allergies: codeine"; Known allergies: pertussis vaccination, reaction(s): "Known allergies: Pertussis vaccination". Vaccination history included: BNT162b2 (Dose Number: 3, Batch/Lot No: FF8839, Location of injection: Left arm), administration date: 06Oct2021, when the patient was 57-year-old, for COVID-19 Immunization; BNT162b2 (Dose Number: 2, Batch/Lot No: ER8732, Location of injection: Left arm), administration date: 02Apr2021, when the patient was 56-year-old, for COVID-19 Immunization; BNT162b2 (Dose Number: 1, Batch/Lot No: EN6208, Location of injection: Left arm), administration date: 12Mar2021, when the patient was 56-year-old, for COVID-19 Immunization.  The following information was reported: PALPITATIONS (non-serious) with onset 31Mar2022 at 15:45, outcome "not recovered", described as "I had severe pounding of the heart for 4-6 minutes (it pounded so hard I thought it was going to come out of my chest-but no pain)/two weeks afterward having some heart palpitations"; DIZZINESS (non-serious) with onset 31Mar2022 at 15:45, outcome "recovered" (31Mar2022), described as "felt lightheaded"; FLUSHING (non-serious) with onset 31Mar2022 at 15:45, outcome "recovered" (31Mar2022), described as "flushed face"; HYPERTENSION (non-serious) with onset 31Mar2022 at 15:45, outcome "recovered" (31Mar2022), described as "raised blood pressure of 145"; SWOLLEN TONGUE (non-serious) with onset 31Mar2022 at 15:45, outcome "recovered" (31Mar2022), described as "slightly swollen tong". The events "i had severe pounding of the heart for 4-6 minutes (it pounded so hard i thought it was going to come out of my chest-but no pain)/two weeks afterward having some heart palpitations", "slightly swollen tong", "felt lightheaded", "flushed face" and "raised blood pressure of 145" required physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of palpitations, swollen tongue, dizziness, flushing, hypertension.  Additional information: Within 20 minutes of vaccination, patient had severe pounding of the heart for 4-6 minutes (it pounded so hard thought it was going to come out of chest-but no pain), felt lightheaded, had a flushed face, raised blood pressure of 145 and a slightly swollen tongue. she was so scared called 911. All symptoms subsided within 45 minutes. She started noticing two weeks afterward that she is having some heart palpitations. she called her primary care doctor to consult. Ae treatment: Monitored for an hour. Elevated blood pressure of 145. The patient did not received other vaccine in four weeks. COVID prior vaccination is No. COVID tested post vaccination is No. Known allergies is IVP.