I wake up at night with shortness of breath; I can't do the things I used to do before, I was doing spring cleaning prior to getting the vaccine; It is ruining my life; I am getting more anxious, more worried, this is giving me anxiety; I am afraid that I will die; Heart Failure; I had flu like symptoms; This spontaneous case was reported by a consumer and describes the occurrence of CARDIAC FAILURE (Heart Failure) and DYSPNOEA (I wake up at night with shortness of breath) in a 73-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 was provided by the reporter.  Concomitant products included BUDESONIDE, FORMOTEROL FUMARATE (SYMBICORT) and VITAMIN D [VITAMIN D NOS] for an unknown indication.   In February 2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In March 2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 28-Aug-2021, the patient experienced CARDIAC FAILURE (Heart Failure) (seriousness criterion medically significant). On an unknown date, the patient experienced DYSPNOEA (I wake up at night with shortness of breath) (seriousness criterion medically significant), FATIGUE (I can't do the things I used to do before, I was doing spring cleaning prior to getting the vaccine), FEELING ABNORMAL (It is ruining my life), ANXIETY (I am getting more anxious, more worried, this is giving me anxiety) and FEAR OF DEATH (I am afraid that I will die). an unknown date, the patient experienced INFLUENZA LIKE ILLNESS (I had flu like symptoms). At the time of the report, CARDIAC FAILURE (Heart Failure) had not resolved, DYSPNOEA (I wake up at night with shortness of breath), FATIGUE (I can't do the things I used to do before, I was doing spring cleaning prior to getting the vaccine), FEELING ABNORMAL (It is ruining my life), ANXIETY (I am getting more anxious, more worried, this is giving me anxiety) and FEAR OF DEATH (I am afraid that I will die) outcome was unknown and INFLUENZA LIKE ILLNESS (I had flu like symptoms) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 29-Aug-2021, Echocardiogram: abnormal (abnormal) echo cardiogram showed heart failure.         On an unspecified date the lab details reported include CT Scan and Chest X-Ray for which the results are not reported. It was reported that the medical doctor said her symptoms came from the vaccine.  Treatment information reported include medical care and examination, which did not provide relief.  Patient medical doctor said her symptoms came from the vaccine. A patient called in to report an adverse event that she experienced after receiving the Moderna COVID-19 vaccine. The dates that the patient received the vaccine were not clear as the patient did not have their vaccination card readily available, however the patient mentioned that they received the first dose of the Moderna COVID-19 vaccine in February (right arm, dominant) and the second dose in March (left arm non dominant). A day following the second dose, the patient reports developing flu like symptoms. These symptoms lasted for 1 day. Following the resolution of the flu like symptoms, the patient reported developing severe shortness of breath, to the extent that it was giving her anxiety, waking her up at night and fearing for her life. The patient reported  that the shortness of breath was getting worse. yesterday at Hospital, MS she had echo cardiogram that shows she have heart failure. her heart doctor was going to do further testing. she started having shortness of breath about a week after second Moderna vaccine. Before that she had no problems. The last few weeks her breathing intensified greatly.  Company comment Very limited information regarding these events has been provided at this time. No further information is expected.   Reporter did not allow further contact   Most recent FOLLOW-UP information incorporated above includes: On 30-Aug-2021: Follow up received, added lab test echocardiogram and event cardiac failure. On 30-Aug-2021: Follow-up information contains no new information. On 30-Aug-2021: Follow-up information contains non significant information.; Sender's Comments: Very limited information regarding these events has been provided at this time. No further information is expected.