This is a spontaneous report from a contactable Other-HCP. This Other-HCP reported for a 35-year-old female patient in response to HCP follow-up letter sent in cross reference case that included  A 35-year-old female patient received bnt162b2 (Pfizer-BioNTech COVID-19 Vaccine, solution for injection), dose 2 intramuscular, administered in Arm Left on 11Jan2021 11:32 (age at vaccination: 35years-old)  (Batch/Lot Number: EL1284) as dose 2, single for covid-19 immunisation. The patient medical history was not reported. Concomitant medication included fluxotine taken for approx. 4years unknown if ongoing and zolpidem as needed (takes occasionally), stop and start date was unknown. Patient previously took first dose of BNT162B2 (age at vaccination: 35years-old) (lot number: EH 9899, vaccine location: Left arm intramuscularly) on 21Dec2020 11:23 for covid-19 immunisation and Most recent non-covid vaccine was influenza administered in Oct/Nov 2020. Patient had no known allergies. The patient had events described as "my fingers in my left arm (here i got my vaccine) started going numb", "losing my breath", "my body went limp and i fell out of the bed", "my eyes rolling in the back of my head", "unable to sit up", "unable to swallow", "lost feeling in my fingers and legs", "l was shaking profusely", "my heartbeat felt really irregular", "fluctuating blood pressure", "difficulty speaking" and "drooling" on 11Jan2021. Patient also experienced prolonged panic attack, short of breath, tingling and trembling on 11Jan2021. Where the patient received 2nd dose of Pfizer vaccine at approximately 11:30 am on 11Jan2021. Remained at vaccination location for approximately 15 minutes without any symptoms, left the vaccination site and drove home. The patient is employed by the health-care system where she received the vaccine. After arriving home, approximately 45 minutes after administration of the second dose of vaccine she developed the symptoms that her fingers in her left arm (where she got her vaccine) started going numb, Losing her breath, her body went limp and she fell out of the bed, Prolonged panic attack, her eyes rolling in the back of my head, Unable to sit up, Unable to swallow, Lost feeling in her fingers and legs, she was shaking profusely and her heartbeat felt really irregular. Her husband drove her to the closest Emergency Department; a different hospital than where she received the vaccine. The patient states that she received IV fluids and Ativan (lorazepam) for her symptoms. She states that she did not receive epinephrine, corticosteroids, antihistamines, oxygen, bronchodilators, or other medications. Her symptoms resolved and she was discharged home after approximately 3-3.5 hours with instruction to follow up with a cardiologist. She did not state anything related to cardiac inflammation, etc. She denies cardiac/respiratory symptoms prior to the event but continues to have arrhythmias and unstable blood pressure since the time of the event. Since the event on 11Jan2021 the patient has had an extensive cardiac workup including EKG, stress test, Holter monitoring and is scheduled for an MRI of her heart on 23Sep2021. She noted that multiple, frequent, recurring PVCs were noted during Holter monitoring the patient received a third dose of vaccine on 01Sep2021 without recurrence of the symptoms associated with administration of the second dose. She reported feeling tired and sluggish and had some mild redness at the injection site and her arm was sore. but no cardiac, respiratory, or histamine-mediated allergic symptoms were noted following the third dose. Patient visited emergency room and received treatment for the events. Upper airway swelling, Increased use of accessory respiratory muscles: Recession, Cyanosis, Grunting, Dry cough, Hoarse voice, Difficulty breathing (without wheeze or stridor), Sensation of throat closure, Sneezing, Rhinorrhea Shock, Loss of consciousness: No. Outcome of all the events was recovered on 11Jan2021.   No follow-up attempts are possible. No further information is expected.