My heart was beating very fast and it was like skipping a beat and then it was pounding so hard; severe chills; Ached all over my body just jerked it just kept jerking for probably a couple hours; shaking; hands swelled up; dizzy; Headache; sick to her stomach; My heart was beating very fast and it was like skipping a beat; I started to get very sick; I am so sick, I just thought that I was going to die; I started to get very sick; I am so sick, I just thought that I was going to die; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient. A 75-year-old female patient received BNT162b2 (BNT162B2), on 21Jul2022 at 09:15 as dose 3 (booster), single (Lot number: FP7138, Expiration Date: 24Sep2022) at the age of 75 years for covid-19 immunization. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Johnson & Johnson covid-19 vaccine (Dose #1: Johnson & Johnson , Date:04Mar2021, Lot: 1805018, Expiry: unknown , NDC: unknown , Primary Immunization complete), administration date: 04Mar2021, when the patient was 73-year-old, for Covid-19 immunization; BNT162b2 (DOSE 2 (BOOSTER), SINGLE, Dose #2: Pfizer , Date: 09Nov2021, Lot: FE3592, Expiry: unknown , NDC: unknown), administration date: 09Nov2021, when the patient was 74-year-old, for Covid-19 Immunization. The following information was reported: ANXIETY (non-serious), ILLNESS (non-serious) all with onset 21Jul2022 at 18:00, outcome "unknown" and all described as "I started to get very sick; I am so sick, I just thought that I was going to die"; HEART RATE INCREASED (non-serious), outcome "unknown", described as "My heart was beating very fast and it was like skipping a beat and then it was pounding so hard"; CHILLS (non-serious), outcome "unknown", described as "severe chills"; PAIN (non-serious), outcome "unknown", described as "Ached all over my body just jerked it just kept jerking for probably a couple hours"; TREMOR (non-serious), outcome "unknown", described as "shaking"; PERIPHERAL SWELLING (non-serious), outcome "unknown", described as "hands swelled up"; DIZZINESS (non-serious), outcome "unknown", described as "dizzy"; HEADACHE (non-serious), outcome "unknown"; ABDOMINAL DISCOMFORT (non-serious), outcome "unknown", described as "sick to her stomach"; PALPITATIONS (non-serious), outcome "unknown", described as "My heart was beating very fast and it was like skipping a beat". Additional information: she got a booster on Thursday morning about 9:30 in the morning and at 6 at night she started to get very sick, her heart was beating very fast and it was like skipping a beat and then it was pounding so hard and she had the chills so bad and ached all over her body just jerked, it just kept jerking for probably a couple hours. She just want to report this and wondered what went wrong. Okay okay could you just put her over to them. Consumer was informed that the department was closed and will be open on Monday. Well did they got a lot of these reactions. did a lot of people get the reactions. Informed about filing a safety report. Consumer stated, "she was so sick, she just thought that she was going to die. Consumer was provided with the number of Pfizer Medical Information Department as # and requested to press option 3 and timings as 8am to 9pm Monday to Friday (EST). Consumer stated, "Okay so, She will call them on Monday." Consumer stated, "she was just concerned if it do damage to my heart" Consumer stated, "she was not up to it today. She was telling her husband's not to got it, It was just not worth it (Event captured as per verbatim) but (Incomplete sentence) Okay its FF she wrote it was hard to read there is FP7159 does that make any sense that's what it look like 7159. Expiration date: Consumer stated, "There was no date she didn't write any date on it." Consumer stated, "Nope this was it thank you so much she would call that other number on Monday, what was that central time or eastern time or what. It was reported that, it started with severe chills and shaking, she needed blankets. Then her heart started racing so fast, it was pounding so hard, felt like it was skipping a beat. Then her hands swelled up and she felt dizzy and had a headache. She got the shot at 9:15am and then at 6:00pm that night is when it all started. She was so sick. Sick to her stomach, but she did not throw up. She was in bed all day Friday and her heart quit racing in the morning but she was still sick to her stomach all day.  On Saturday she was sick to her stomach but was better. Caller states yesterday her heart raced a little but that was it. And her stomach still feels a little icky. Follow-up attempts are completed. No further information is expected.