she went from 130 lbs. to 95 lbs; Feeling unwell; 3 hours after getting her COVID-19 Vaccine, and was flat in bed with vertigo; she said the tiredness accompanied her vertigo; stated her dizziness started with her vertigo; stated she always has weakness with her vertigo; Runny nose; Diarrhea; Shakiness; her blood pressure went up and down; Feeling hot and cold; her injection site pain was very painful at the time, but went away. She said the injection site wasn't red or anything; Muscle pain; Chills; Joint pain; Difficulty breathing; She had a fast heart beat a week after getting her COVID-19 Vaccine. Her fast heart beat lasted 4-5 hours and then calmed down.; This is a spontaneous report from a contactable consumer (patient). A 81-year-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot Number: EN6205) via an unspecified route of administration, administered in left arm on 05Mar2021 10:15 (at the age of 81-year-old) as dose 1, single for covid-19 immunisation. Medical history included ongoing vertigo from 2001 (patient said she was around diesel fuel all the time and read where diesel fuel may be associated with vertigo. She said she often wondered if diesel fuel was the cause of her vertigo. She said it had been about a year since her last vertigo episode), asthma from an unknown date and unknown if ongoing (patient had asthma from the time she was 11 months old until she was 21 years old. She was exposed to a neighbour who had whooping cough & then she got whooping cough at 11 months old & from that point forward, she had asthma), COPD from an unknown date and unknown if ongoing had COPD for about 3 years and said she was on oxygen twice a day for her COPD, covid-19 from Dec2020 to an unknown date (On Dec2020 patient was in the hospital. She clarified she had her husband bring her to the Emergency Room on 29Dec2020 because she had bad lower back pain, discharged on 30Dec2020 and said on 31Dec2021 husband brought her back to the Emergency Room for her back pain, diagnosed with COVID-19, patient said she has had no sense of taste or smell since being diagnosed with the COVID-19 Virus in Dec2020) , stroke from an unknown date and unknown if ongoing, heart atack from an unknown date and unknown if ongoing She said she discovered she had a prior heart attack while she was being checked for her vertigo, Patient stated she can't have (unspecified allergic): caffeine, Flomax, sodium, antihistamines (used for allergy relief), Naproxen, Novocain, Reglan and IV Contrast or Iodine. She said if she has dental work, the dentist has to give her oxygen before giving Novocain. There were no concomitant medications. Patient stated she has been on Amoxicillin for years for her COPD and Asthma but did not take Amoxicillin 2 weeks before, during, or after she had her COVID-19 Vaccine. No prior vaccination within four weeks. No additional vaccines administered on same date of the Pfizer suspect. On 05Mar2021, patient stated 3 hours after getting her covid-19 vaccine, and was flat in bed with vertigo, tiredness accompanied her vertigo, feeling unwell, her dizziness started with her vertigo, and weakness start the same day she had her COVID-19 Vaccine She said she never had a headache, but 2-3 days after her COVID-19 Vaccine (on unspecified date in Mar2021) she had: injection site pain, muscle pain, chills, joint pain, difficulty breathing, a fast heartbeat, runny nose, diarrhoea, her blood pressure went up and down, and she was hot and cold. She stated a couple days ago she started to have the shakes. Patient stated injection site pain was very painful at that time but went away. She said the injection site wasn't red or anything. She said she had a fast heart beat a week after getting her COVID-19 Vaccine. She was just sitting in her chair, and she could feel her heart started beating fast, and she thought her heart was going to come out of her body, her fast heartbeat lasted 4-5 hours and then calmed down. She said her diarrhoea went away after a couple days. On an unspecified date, patient lost weight when her husband fell and was sick, and she had to become his caregiver. She said she went from 130 lbs. to 95 lbs. Patient stated the only thing she took was 1 generic Meclizine 25mg. On an unspecified date, the patient underwent lab tests and procedures which included Brain scan: she had a blood clot in the left side of her brain and stent placement: she had two heart stents placed after it was discovered she had a heart attack that she never knew she had. She said she discovered she had a prior heart attack while she was being checked for her vertigo. No emergency room or physician office visit. Outcome of the events runny nose, shakiness and feeling unwell was recovering, outcome of event she went from 130 lbs. to 95 lbs was unknown and outcome of rest of the events was recovered on unspecified date in Mar2021.  No follow-up attempts are possible. No further information is expected.