Blacked out; couldn't breath; heart racing; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team, Program ID. The reporter is the patient.  A 66-year-old female patient received BNT162b2 (BNT162B2), on 21Jun2021 as dose 1, single (Batch/Lot number: unknown) at the age of 66 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "high blood pressure" (unspecified if ongoing). The patient's concomitant medications were not reported. Vaccination history included: Flu vaccine (Had Flu shot allergic reaction 25 to 28 years ago), for Immunization, reaction(s): "Allergic reaction". The following information was reported: LOSS OF CONSCIOUSNESS (medically significant) with onset 21Jun2021, outcome "unknown", described as "Blacked out"; DYSPNOEA (non-serious) with onset 21Jun2021, outcome "unknown", described as "couldn't breath"; PALPITATIONS (non-serious) with onset 21Jun2021, outcome "unknown", described as "heart racing". The events "blacked out", "couldn't breath" and "heart racing" required emergency room visit. The patient underwent the following laboratory tests and procedures: Antibody test: Unknown Results; Urine analysis: does not have diabetes, notes: While was in emergency room kept testing urine for diabetes, sure does not have diabetes; Weight: 155 lbs, notes: Stated 160 pounds, then clarifies weight fluctuates between 155 pounds to 160 pounds; 160 lbs, notes: Stated 160 pounds, then clarifies weight fluctuates between 155 pounds to 160 pounds. Therapeutic measures were taken as a result of loss of consciousness, dyspnoea, palpitations.  Clinical course: Patient had a reaction to the flu shot 25 years ago and was told to never have another flu shot again. When the Covid vaccines came out her doctor did not recommend her to get the vaccine in 2020 due to her history with the flu shot. She had been considering getting it since she wants to be protected states she has high blood pressure and her moth who lives with her has a history of heart transplant. She got a new doctor at (Place name withheld) in 2021 and they decided that the risk may outweigh the benefits of getting the Covid vaccine and that it may not have the same ingredients as the flu vaccine. She went to a facility that was equip to handle emergency. She got the Pfizer Covid 19 vaccine and within 5 minutes states that she began to have reaction. Blacked out, hit asphalt, couldn't breath, and heart racing. They tired to give her epi and the injection failed. They gave her another epi. She states she was just trying to hold onto consciousness and felt like she was dying. The epi began to work and she started to be able to breath again. They couldn't get her over to the ER so they called an ambulance which she states took forever. She states that after her ER visit everything on the paperwork said she was there for heart palpitations. States that nowhere on her paperwork did it mention the Covid 19 vaccine and that was the reason she was there. This occurred 18 months ago. Had a reaction about 18 months ago with Pfizer Covid 19 Vaccine. Went to ER to receive Pfizer Covid 19 Vaccine. Had previous reaction to a flu shot. 5 minutes after receiving Pfizer Covid 19 Vaccine began having reaction where blacked out and had a racing heart: 5 minutes after receiving the Pfizer Covid 19 Vaccine, began having a reaction where blacked out and had a racing heart. Used epi, epi began to work. Began to be able to breathe again. Clarifies did not go to any emergency room to have a Pfizer Covid 19 Vaccine. Was taken to the emergency room by ambulance after receiving the Pfizer Covid 19 Vaccine. 5 minutes after receiving Pfizer Covid 19 Vaccine began having reaction where blacked out and had a racing heart: This occurred in Jun2021. Weight: Stated 160 pounds, then clarifies weight fluctuates between 155 pounds to 160 pounds.Therapy dates: Start: Has already put Vaccine Card in a bin for filing but wants to say the date received was 21Jun2021. Main concern was having the Pfizer Covid 19 Vaccine and ended up in emergency room with severe reaction. Indication: Of course received letter saying you need to, don't have record caller has had Covid shot, need to get and need flu shot. Caller told was allergic to Flu shot and can't do it. After living a year and a half with Covid, and doing everything, everybody else getting shot and caller couldn't get shot, was masking and sanitizing. Caller lived in fear every day that may get Covid. When to new (withheld) doctor and asked is there any way caller could receive a Covid shot, have looked into position is there something available for the caller. Doctor said didn't think caller should have a problem with Covid Shot and specifically said with the Pfizer Covid 19 Vaccine. Doesn't know why doctor said Pfizer Covid 19 Vaccine versus Moderna or whichever other ones, doesn't know why. Told caller could schedule down at doctor's facility where have emergency room and everything right there. While was in emergency room kept testing urine for diabetes, sure does not have diabetes. Emergency room made not one single note of it at all being a Pfizer Covid 19 Vaccine reaction. Emergency room said caller there for heart palpitations. The whole thing sort of really ticked off caller. Even emergency room couldn't get anything right. Went to the emergency room, ended up walking out of emergency room after being there 3.5 hours, was discharged from emergency room. 1st dose Time: 10:30 or 11:00, mid morning. No Prior Vaccinations (within 4 weeks) If applicable, list any other vaccinations within four weeks prior to the first administration date of the suspect vaccine.  The information on the batch/lot number for BNT162b2 has been requested and will be submitted if and when received.