enlarged heart; high blood pressure; cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident; cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident; very mild flu symptoms; cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident; This spontaneous case was reported by a consumer and describes the occurrence of CARDIOMEGALY (enlarged heart), HYPERTENSION (high blood pressure), the third episode of CARDIAC DISCOMFORT (cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident), the second episode of CARDIAC DISCOMFORT (cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident) and the first episode of CARDIAC DISCOMFORT (cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident) in a 64-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 05-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 31-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 12-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 12-Nov-2021,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced INFLUENZA (very mild flu symptoms). In November 2021, the patient experienced the first episode of CARDIAC DISCOMFORT (cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident). In February 2022, the patient experienced the second episode of CARDIAC DISCOMFORT (cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident). On 27-Apr-2022, the patient experienced CARDIOMEGALY (enlarged heart), HYPERTENSION (high blood pressure) and the third episode of CARDIAC DISCOMFORT (cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident). On 12-Nov-2021, INFLUENZA (very mild flu symptoms) had resolved. At the time of the report, CARDIOMEGALY (enlarged heart), HYPERTENSION (high blood pressure) and the last episode of CARDIAC DISCOMFORT (cardiac incident,On Feb2022 patient reported another cardiac incident. On 27Apr2022 caller experienced a 3rd cardiac incident) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In April 2022, X-ray: enlarged heart (abnormal) enlarged heart.         Patient reported no concomitant or regular medications. After 2nd dose patient did not experience any symptom. Patient was informed that she had an enlarged heart and that it would be a permanent condition. Patient informed she never had cardiac issues before the vaccine. No treatment medications were reported.   This case was linked to MOD-2022-552547 (Patient Link).   Reporter did not allow further contact