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 appears in 19,705 VAERS reports across all vaccines. Of these, 195 reports also mentioned death and 4,924 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 26.0%. The top vaccines associated with this symptom are COVID19, FLU3, HPV4. Remember: VAERS reports show temporal association, not causation.
Electrocardiogram has been reported 19,705 times in VAERS from 1990 to 2026.
Of these reports, 195 were associated with death (0.99%) and 4,924 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Electrocardiogram is 26.0%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.