heart rate is low/Heart rate is goes down to about 50/all had the same problems like reporter; he thinks he has had a heart attack/all had the same problems like reporter; Cardiac infection/all had the same problems like reporter; Difficulty breathing/all had the same problems like reporter; all had the same problems like reporter/higher heart rate compared to my average/blood pressure and heart rate go up sometimes; problems with his heart and chest/Thinks he had heart attack/all had the same problems like reporter; having a cardio infections because of the funny things going on in my body/all had the same problems like reporter; soreness of both of my arms / Arm sore/all had the same problems like reporter; i watch my blood pressure change/all had the same problems like reporter; Stomach problems/all had the same problems like reporter; Chest tightness/all had the same problems like reporter; chills/all had the same problems like reporter; Based on the current case data, this case has been classified as invalid. This spontaneous case was reported by a consumer and describes the occurrence of BRADYCARDIA (heart rate is low/Heart rate is goes down to about 50/all had the same problems like reporter), MYOCARDIAL INFARCTION (he thinks he has had a heart attack/all had the same problems like reporter) and CARDIAC INFECTION (Cardiac infection/all had the same problems like reporter) in a  patient of an unknown age and gender who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 011) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On an unknown date, the patient received dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced BRADYCARDIA (heart rate is low/Heart rate is goes down to about 50/all had the same problems like reporter) (seriousness criterion medically significant), MYOCARDIAL INFARCTION (he thinks he has had a heart attack/all had the same problems like reporter) (seriousness criterion medically significant), CARDIAC INFECTION (Cardiac infection/all had the same problems like reporter) (seriousness criterion medically significant), DYSPNOEA (Difficulty breathing/all had the same problems like reporter), TACHYCARDIA (all had the same problems like reporter/higher heart rate compared to my average/blood pressure and heart rate go up sometimes), CARDIAC DISORDER (problems with his heart and chest/Thinks he had heart attack/all had the same problems like reporter), FEELING ABNORMAL (having a cardio infections because of the funny things going on in my body/all had the same problems like reporter), PAIN IN EXTREMITY (soreness of both of my arms / Arm sore/all had the same problems like reporter), BLOOD PRESSURE FLUCTUATION (i watch my blood pressure change/all had the same problems like reporter), ABDOMINAL DISCOMFORT (Stomach problems/all had the same problems like reporter), CHEST DISCOMFORT (Chest tightness/all had the same problems like reporter) and CHILLS (chills/all had the same problems like reporter). At the time of the report, BRADYCARDIA (heart rate is low/Heart rate is goes down to about 50/all had the same problems like reporter), MYOCARDIAL INFARCTION (he thinks he has had a heart attack/all had the same problems like reporter), CARDIAC INFECTION (Cardiac infection/all had the same problems like reporter), DYSPNOEA (Difficulty breathing/all had the same problems like reporter), TACHYCARDIA (all had the same problems like reporter/higher heart rate compared to my average/blood pressure and heart rate go up sometimes), CARDIAC DISORDER (problems with his heart and chest/Thinks he had heart attack/all had the same problems like reporter), FEELING ABNORMAL (having a cardio infections because of the funny things going on in my body/all had the same problems like reporter), PAIN IN EXTREMITY (soreness of both of my arms / Arm sore/all had the same problems like reporter), BLOOD PRESSURE FLUCTUATION (i watch my blood pressure change/all had the same problems like reporter), ABDOMINAL DISCOMFORT (Stomach problems/all had the same problems like reporter), CHEST DISCOMFORT (Chest tightness/all had the same problems like reporter) and CHILLS (chills/all had the same problems like reporter) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Oxygen saturation: low (Low) low.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       Concomitant information was not provided.  Treatment information was not provided.  It was reported that the 12 people who received Moderna COVID-19 Vaccine lot011 all had same problems.  Company comment: This case concerns a patient of unknown age and gender with no relevant medical history, who experienced the unexpected serious events of myocardial infarction (AESI), cardiac infection and bradycardia;  unexpected non-serious events of chest and abdominal discomfort, dyspnea, tachycardia, blood pressure fluctuations, feeling abnormal, pain in the extremity, decreased O2 saturation and chills . The events occurred after receiving a dose of Moderna mRNA-1273 vaccine. The rechallenge is not applicable as the events reported occurred only after an unknown dose. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.   Reporter did not allow further contact; Sender's Comments: This case concerns a patient of unknown age and gender with no relevant medical history, who experienced the unexpected serious events of myocardial infarction (AESI), cardiac infection and bradycardia;  unexpected non-serious events of chest and abdominal discomfort, dyspnea, tachycardia, blood pressure fluctuations, feeling abnormal, pain in the extremity, decreased O2 saturation and chills . The events occurred after receiving a dose of Moderna mRNA-1273 vaccine. The rechallenge is not applicable as the events reported occurred only after an unknown dose. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.