Didn't sleep all night; felt like chest was going to explode; vaccine may have exacerbated his heart condition; could not lift anything; threw back out from chills/chills; bad body aches/he had severe pain  in his whole body for 2 straight days after the 2nd dose of the vaccine.; woozy and lightheaded; really weak; felt like was going to collapse/not feeling good; Terrible back pain/threw out back from chills/lower vertebrae pain; feeling tired; had side effects/bad reaction; This spontaneous case was reported by a consumer and describes the occurrence of CARDIAC DISORDER (vaccine may have exacerbated his heart condition), MOBILITY DECREASED (could not lift anything), VACCINATION COMPLICATION (had side effects/bad reaction), PAIN (bad body aches) and BACK PAIN (Terrible back pain/threw out back from chills/lower vertebrae pain) in a male patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Heart attack and Stent insertion NOS (3 Stents). Concurrent medical conditions included Hyperthyroidism and Cancer (Cancer on tongue).    On 21-May-2021, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 21-May-2021, the patient experienced VACCINATION COMPLICATION (had side effects/bad reaction) and FATIGUE (feeling tired). On 22-May-2021, the patient experienced PAIN (bad body aches), BACK PAIN (Terrible back pain/threw out back from chills/lower vertebrae pain), DIZZINESS (woozy and lightheaded), ASTHENIA (really weak), MALAISE (felt like was going to collapse/not feeling good), CHILLS (threw back out from chills/chills) and MYALGIA (bad body aches/he had severe pain  in his whole body for 2 straight days after the 2nd dose of the vaccine.). On an unknown date, the patient experienced CARDIAC DISORDER (vaccine may have exacerbated his heart condition), MOBILITY DECREASED (could not lift anything), INSOMNIA (Didn't sleep all night) and CHEST PAIN (felt like chest was going to explode). The patient was treated with PARACETAMOL (TYLENOL) on 22-May-2021 at a dose of UNK milligram. At the time of the report, CARDIAC DISORDER (vaccine may have exacerbated his heart condition) and MOBILITY DECREASED (could not lift anything) outcome was unknown and VACCINATION COMPLICATION (had side effects/bad reaction), PAIN (bad body aches), BACK PAIN (Terrible back pain/threw out back from chills/lower vertebrae pain), INSOMNIA (Didn't sleep all night), CHEST PAIN (felt like chest was going to explode), DIZZINESS (woozy and lightheaded), ASTHENIA (really weak), MALAISE (felt like was going to collapse/not feeling good), FATIGUE (feeling tired), CHILLS (threw back out from chills/chills) and MYALGIA (bad body aches/he had severe pain  in his whole body for 2 straight days after the 2nd dose of the vaccine.) had resolved.            Concomitant medications included thyroid pill and beta blocker. Treatmnt information has not provided.   Most recent FOLLOW-UP information incorporated above includes: On 13-Jul-2021: Significant FU -Event outcome updated to Resolved. Added medical history Cancer on tongue. On 20-Jul-2021: Significant follow up. Added events vaccine may have exacerbated his heart condition and could not lift anything could not lift anything having outcome unknown. Updated verbatim of events threw back out from chills to threw back out from chills/chills and  had side effects to had side effects/ bad reaction both having outcome resolved.