Sex: F
Vaccine: COVID19
Symptoms: Arrhythmia, Electrocardiogram ambulatory, Ventricular extrasystoles
Clinical narrative: A couple days after receiving the second Pfizer COVID vax, patient's husband told me that wife developed arrhythmia (20K PVCs in 3 days per holter monitor).; A couple days after receiving the second Pfizer COVID vax, patient's husband told me that wife developed arrhythmia (20K PVCs in 3 days per holter monitor) Premature ventricular contractions; This is a spontaneous report received from an Other HCP from a sales representative.  An adult female patient received BNT162b2 omi xbb.1.5 (COMIRNATY (2023-2024 FORMULA)), as dose 1, single (Batch/Lot number: unknown) intramuscular for covid-19 immunisation. The patient had no relevant medical history. The patient's concomitant medications were not reported. Vaccination history included: Covid-19 vaccine (DOSE 1, MANUFACTURER UNKNOWN), for Covid-19 immunization. The following information was reported: ARRHYTHMIA (medically significant), outcome "recovered with sequelae", described as "A couple days after receiving the second Pfizer COVID vax, patient's husband told me that wife developed arrhythmia (20K PVCs in 3 days per holter monitor)."; VENTRICULAR EXTRASYSTOLES (medically significant), outcome "recovered with sequelae", described as "A couple days after receiving the second Pfizer COVID vax, patient's husband told me that wife developed arrhythmia (20K PVCs in 3 days per holter monitor) Premature ventricular contractions". The events "a couple days after receiving the second pfizer covid vax, patient's husband told me that wife developed arrhythmia (20k pvcs in 3 days per holter monitor)." and "a couple days after receiving the second pfizer covid vax, patient's husband told me that wife developed arrhythmia (20k pvcs in 3 days per holter monitor) premature ventricular contractions" required physician office visit. The patient underwent the following laboratory tests and procedures: Electrocardiogram ambulatory: 20K PVCs in 3 days per holter monitor. Therapeutic measures were taken as a result of arrhythmia, ventricular extrasystoles. Clinical course: Patient had several doctor visits, wore a halter monitor. Husband reported that his wife was stable now. Patient was healthy, used to be a distance runner. It was unknown if patient was pregnant, if other vaccine taken in four weeks, other medications taken in two weeks, if patient had covid prior vaccination, if covid tested post vaccination and if patient had known allergies.  No follow-up attempts are possible. Batch/lot number is not provided, and it cannot be obtained.; Sender's Comments: Although it is difficult to establish temporal association between suspect drug and reported events Based on the known the information available, causal relationship between Suspect drug and events ARRHYTHMIA  and VENTRICULAR EXTRASYSTOLES cannot be excluded as there s no concrete evidence available to eliminate the causal association. The impact of this report on the benefit/risk profile of the Pfizer drug is evaluated as part of Pfizer procedures for safety evaluation, including the review and analysis of aggregate data for adverse events. Any safety concern identified as part of this review, as well as any appropriate action in response, will be promptly notified to Regulatory Authorities, Ethics Committees, and Investigators, as appropriate.,Linked Report(s) : US-PFIZER INC-202400055672 same product, different patient/ event;