Important: VAERS reports alone cannot determine if a vaccine caused an adverse event. Reports may contain incomplete, inaccurate, or unverified information. Correlation does not equal causation.
Electrocardiogram abnormal appears in 6,191 VAERS reports across all vaccines. Of these, 236 reports also mentioned death and 3,079 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 53.5%. The top vaccines associated with this symptom are COVID19, SMALL, ANTH. Remember: VAERS reports show temporal association, not causation.
Electrocardiogram abnormal has been reported 6,191 times in VAERS from 1990 to 2026.
Of these reports, 236 were associated with death (3.81%) and 3,079 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Electrocardiogram abnormal is 53.5%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.