Received Sep 30, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| COVID19 | COVID19 (COVID19 (MODERNA MNEXSPIKE)) | MODERNA | UNK | — | IM |
| FLUX | INFLUENZA (SEASONAL) (NO BRAND NAME) | UNKNOWN MANUFACTURER | UNK | — | — |
NSR w/ frequent PAC's sometimes in couplets and triplets; This spontaneous case was reported by a consumer and describes the occurrence of SUPRAVENTRICULAR EXTRASYSTOLES (NSR w/ frequent PAC's sometimes in couplets and triplets) in a 28-year-old female patient who received mRNA-1273.251 (Spikevax LP.8.1 PFS) for COVID-19 prophylaxis. Co-suspect product included non-company product Influenza vaccine for an unknown indication. No Medical History information was reported. On 13-Sep-2025 at 12:00 PM, the patient received dose of mRNA-1273.251 (Spikevax LP.8.1 PFS) (Intramuscular use) 1 dosage form. On an unknown date, the patient received dose of Influenza vaccine (unknown route) 1 dosage form. On 13-Sep-2025, the patient experienced SUPRAVENTRICULAR EXTRASYSTOLES (NSR w/ frequent PAC's sometimes in couplets and triplets). The patient was treated with Ibuprofen at an unspecified dose and frequency. At the time of the report, SUPRAVENTRICULAR EXTRASYSTOLES (NSR w/ frequent PAC's sometimes in couplets and triplets) had not resolved. DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 15-Sep-2025, Electrocardiogram: palpitations. On 17-Sep-2025, Electrocardiogram: Normal Sinus Rhythm (NSR) with frequent Premature Atrial Complexes (PACs), sometimes in couplets and triplets. On an unknown date, Blood thyroid stimulating hormone: 1.38. On an unknown date, C-reactive protein: 6.5. On an unknown date, N-terminal prohormone brain natriuretic peptide: 113. On an unknown date, Red blood cell sedimentation rate: 15. On an unknown date, Troponin I: <4. No concomitant medications were reported. On 13-Sep-2025, at 12:00pm. Around 8pm the patient experienced heart palpitations that would resolve on and off for 20 min at a time. On 14-Sep-2025, around 7pm, heart palpitations resumed, again for about 20 minutes at a time, but would self-resolve. The patient went to urgent care on 15-Sep-2025 and got an EKG which captured the palpitations. Follow-up with Cardiologist on 17-Sep-2025, the EKG showed NSR w/ frequent PAC's sometimes in couplets and triplets. The patient did not experience any additional symptoms or events.
Test Name: TSH; Result Unstructured Data: 1.38; Test Name: CRP; Result Unstructured Data: 6.5; Test Date: 20250915; Test Name: EKG; Result Unstructured Data: palpitations; Test Date: 20250917; Test Name: EKG; Result Unstructured Data: Normal Sinus Rhythm (NSR) with frequent Premature Atrial Complexes (PACs), sometimes in couplets and triplets; Test Name: NT-proBNP; Result Unstructured Data: 113; Test Name: Erythrocyte Sedimentation Rate; Result Unstructured Data: 15; Test Name: Trop I hs; Result Unstructured Data: <4