heart function is down to 35%; clot in heart; he started having chest pains; consumer had a heart attack, died, and "brought me back"; coded; he was sick; He states he is still tired from all the events; This spontaneous case was reported by a consumer and describes the occurrence of MYOCARDIAL INFARCTION (consumer had a heart attack, died, and "brought me back"), CARDIAC DYSFUNCTION (heart function is down to 35%), THROMBOSIS (clot in heart), ILLNESS (he was sick), CHEST PAIN (he started having chest pains), FATIGUE (He states he is still tired from all the events) and CARDIO-RESPIRATORY ARREST (coded) in a 73-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 037F21A and 939902) for COVID-19 vaccination.     The patient's past medical history included Thyroid disorder and Hypercholesterolemia.   On 09-Aug-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 06-Sep-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 07-Sep-2021, the patient experienced ILLNESS (he was sick) (seriousness criteria hospitalization, medically significant and life threatening). On 09-Sep-2021, the patient experienced MYOCARDIAL INFARCTION (consumer had a heart attack, died, and "brought me back") (seriousness criteria hospitalization, medically significant and life threatening), THROMBOSIS (clot in heart) (seriousness criteria hospitalization, medically significant and life threatening), CHEST PAIN (he started having chest pains) (seriousness criteria hospitalization, medically significant and life threatening) and CARDIO-RESPIRATORY ARREST (coded) (seriousness criteria hospitalization, medically significant and life threatening). In September 2021, the patient experienced FATIGUE (He states he is still tired from all the events) (seriousness criteria hospitalization, medically significant and life threatening). On an unknown date, the patient experienced CARDIAC DYSFUNCTION (heart function is down to 35%) (seriousness criteria hospitalization, medically significant and life threatening). The patient was hospitalized from 09-Sep-2021 to 13-Sep-2021 due to CARDIAC DYSFUNCTION, CARDIO-RESPIRATORY ARREST, CHEST PAIN, FATIGUE, ILLNESS, MYOCARDIAL INFARCTION and THROMBOSIS. At the time of the report, MYOCARDIAL INFARCTION (consumer had a heart attack, died, and "brought me back"), CARDIAC DYSFUNCTION (heart function is down to 35%), THROMBOSIS (clot in heart), ILLNESS (he was sick), CHEST PAIN (he started having chest pains), FATIGUE (He states he is still tired from all the events) and CARDIO-RESPIRATORY ARREST (coded) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   Concomitant products included thyroid and cholesterol medication.  Treatment information not provided. Consumer states that 2 days after vaccination, consumer had a heart attack, died, and brought back. Consumer repeated that pattern twice heart attack, died and brought back. Consumer also reports he had clot in heart and heart function was down to 35%. Consumer states that on 07 Sep 2021 he was sick and part of 08 Sep 2021. On 09 Sep 2021, around 4:45 AM he started having chest pains and was transported to hospital via helicopter. Consumer was hospitalized from 09Sep2021 to 13Sep2021. Consumer cannot confirm for sure if any surgery was done, he mentioned might be a stent was put in. Consumer states they started 8 new pills for him including blood thinners.  Company comment: This case concerns a 73 year-old male subject with no reported medical history who experienced the unexpected events of myocardial infarction, cardiac dysfunction, thrombosis, illness, chest pain, cardiopulmonary arrest, and fatigue. The events myocardial infarction, cardiac dysfunction, thrombosis, illness, chest pain, cardiopulmonary arrest occurred approximately 30 to 31 days after the second dose of mRNA-1273. The event fatigue occurred at an unknown date. The rechallenge was unknown as information on the first dose and subsequent events are not provided. The medical history hypercholesterolemia and thyroid disorder remain confounders. The benefit-risk relationship of mRNA-1273 (Spikevax) is not affected by this report.; Sender's Comments: This case concerns a 73 year-old male subject with no reported medical history who experienced the unexpected events of myocardial infarction, cardiac dysfunction, thrombosis, illness, chest pain, cardiopulmonary arrest, and fatigue. The events myocardial infarction, cardiac dysfunction, thrombosis, illness, chest pain, cardiopulmonary arrest occurred approximately 30 to 31 days after the second dose of mRNA-1273. The event fatigue occurred at an unknown date. The rechallenge was unknown as information on the first dose and subsequent events are not provided. The medical history hypercholesterolemia and thyroid disorder remain confounders. The benefit-risk relationship of mRNA-1273 (Spikevax) is not affected by this report.