I was in artrial fabulation; I have type 1 diabeties now; Weight decreased from 205LBS to 170 lbs; My Vision was blurry; Hypertension; My heart beat was boom,Boom,boom/My heart was beating out of chest; My Blood sugar was 700 mg/dL; My thyroid Shut Down; A lot of time my blood pressure decreases; Much pain in my muscles/my muscles hurt very bad; My teeth was chattering; I Could Not Move/I was in bed for three days/I Could not get out of bed; I was Moaning so Loud; My Body was so hot for 5 Minutes, then for 5 minutes my body was cold/my body then hot and cold; felt so sick; Sweating/Perspiration/I never Perspired so much in my life; All my internal organs are in pain; My organs were very hot; My Muscle Kept Spasming/painful muscle spasm; My Muscle Kept Contracting/it would ne on both legs; hands and fingers could not work/fingers were locked up; My hands and fingers were in so much pain; felt so nauseous/I got nauseous; Started Vomiting for two days; The AFIB caused clot to my lungs; Tachycardia; Trigger Finger; heartbeat irregular; I believed i was going to die; I had chest pain; My Brain hurt so much; I did not eat for 3 days; Next, I could only eat small amount of food,milk; I had trouble breathing; I would sneeze several times; I felt so terrible; when heart beats it hsakes my whole body; My brain hurt/ I felt my brain was dead; This spontaneous case was reported by a consumer and describes the occurrence of ATRIAL FIBRILLATION (I was in artrial fabulation), TYPE 1 DIABETES MELLITUS (I have type 1 diabeties now), PULMONARY THROMBOSIS (The AFIB caused clot to my lungs), WEIGHT DECREASED (Weight decreased from 205LBS to 170 lbs), VISION BLURRED (My Vision was blurry), HYPERTENSION (Hypertension), HEART RATE INCREASED (My heart beat was boom,Boom,boom/My heart was beating out of chest), BLOOD GLUCOSE INCREASED (My Blood sugar was 700 mg/dL) and THYROID HORMONES DECREASED (My thyroid Shut Down) in a  patient of an unknown age and gender 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 19-May-2021 at 10:48 AM, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In May 2021, the patient experienced TYPE 1 DIABETES MELLITUS (I have type 1 diabeties now) (seriousness criteria hospitalization and medically significant), PULMONARY THROMBOSIS (The AFIB caused clot to my lungs) (seriousness criteria hospitalization and medically significant), WEIGHT DECREASED (Weight decreased from 205LBS to 170 lbs) (seriousness criterion hospitalization), VISION BLURRED (My Vision was blurry) (seriousness criterion hospitalization), HYPERTENSION (Hypertension) (seriousness criterion hospitalization), HEART RATE INCREASED (My heart beat was boom,Boom,boom/My heart was beating out of chest) (seriousness criterion hospitalization), BLOOD GLUCOSE INCREASED (My Blood sugar was 700 mg/dL) (seriousness criterion hospitalization), THYROID HORMONES DECREASED (My thyroid Shut Down) (seriousness criterion hospitalization), FEAR OF DEATH (I believed i was going to die), CHEST PAIN (I had chest pain), HEAD DISCOMFORT (My Brain hurt so much), DECREASED APPETITE (I did not eat for 3 days), HYPOPHAGIA (Next, I could only eat small amount of food,milk), DYSPNOEA (I had trouble breathing), SNEEZING (I would sneeze several times), MALAISE (I felt so terrible), TREMOR (when heart beats it hsakes my whole body), HEAD DISCOMFORT (My brain hurt/ I felt my brain was dead), TACHYCARDIA (Tachycardia), TRIGGER FINGER (Trigger Finger), HEART RATE IRREGULAR (heartbeat irregular) and VOMITING (Started Vomiting for two days). On 19-May-2021, the patient experienced NAUSEA (felt so nauseous/I got nauseous). On 19-May-2021 at 8:00 PM, the patient experienced MOBILITY DECREASED (I Could Not Move/I was in bed for three days/I Could not get out of bed), MOANING (I was Moaning so Loud), FEELING OF BODY TEMPERATURE CHANGE (My Body was so hot for 5 Minutes, then for 5 minutes my body was cold/my body then hot and cold), VACCINATION COMPLICATION (felt so sick), HYPERHIDROSIS (Sweating/Perspiration/I never Perspired so much in my life), PAIN (All my internal organs are in pain), FEELING HOT (My organs were very hot), MUSCLE SPASMS (My Muscle Kept Spasming/painful muscle spasm), MUSCLE TWITCHING (My Muscle Kept Contracting/it would ne on both legs), MUSCLE RIGIDITY (hands and fingers could not work/fingers were locked up), PAIN IN EXTREMITY (My hands and fingers were in so much pain), MYALGIA (Much pain in my muscles/my muscles hurt very bad) and CHILLS (My teeth was chattering). On 19-May-2021 at 11:00 PM, the patient experienced ATRIAL FIBRILLATION (I was in artrial fabulation) (seriousness criteria hospitalization and medically significant). In June 2021, the patient experienced BLOOD PRESSURE DECREASED (A lot of time my blood pressure decreases). The patient was treated with METHIMAZOLE for Hypothyroidism, at a dose of 1 dosage form; METOPROLOL TARTRATE (METOPROLOL AL) for Heart rate increased, at a dose of 1 dosage form; APIXABAN (ELIQUIS) for Anticoagulant therapy, at a dose of 1 dosage form; ACETYLSALICYLIC ACID (ASAPRIN) for Atrial fibrillation, at a dose of 1 dosage form and INSULIN for Type 1 diabetes mellitus, at a dose of 1 dosage form. At the time of the report, ATRIAL FIBRILLATION (I was in artrial fabulation), TYPE 1 DIABETES MELLITUS (I have type 1 diabeties now), PULMONARY THROMBOSIS (The AFIB caused clot to my lungs), WEIGHT DECREASED (Weight decreased from 205LBS to 170 lbs), VISION BLURRED (My Vision was blurry), HYPERTENSION (Hypertension), HEART RATE INCREASED (My heart beat was boom,Boom,boom/My heart was beating out of chest), BLOOD GLUCOSE INCREASED (My Blood sugar was 700 mg/dL), THYROID HORMONES DECREASED (My thyroid Shut Down), MOBILITY DECREASED (I Could Not Move/I was in bed for three days/I Could not get out of bed), MOANING (I was Moaning so Loud), FEELING OF BODY TEMPERATURE CHANGE (My Body was so hot for 5 Minutes, then for 5 minutes my body was cold/my body then hot and cold), VACCINATION COMPLICATION (felt so sick), HYPERHIDROSIS (Sweating/Perspiration/I never Perspired so much in my life), PAIN (All my internal organs are in pain), FEELING HOT (My organs were very hot), MUSCLE SPASMS (My Muscle Kept Spasming/painful muscle spasm), MUSCLE TWITCHING (My Muscle Kept Contracting/it would ne on both legs), MUSCLE RIGIDITY (hands and fingers could not work/fingers were locked up), PAIN IN EXTREMITY (My hands and fingers were in so much pain), FEAR OF DEATH (I believed i was going to die), CHEST PAIN (I had chest pain), HEAD DISCOMFORT (My Brain hurt so much), DECREASED APPETITE (I did not eat for 3 days), HYPOPHAGIA (Next, I could only eat small amount of food,milk), DYSPNOEA (I had trouble breathing), SNEEZING (I would sneeze several times), MALAISE (I felt so terrible), TREMOR (when heart beats it hsakes my whole body), HEAD DISCOMFORT (My brain hurt/ I felt my brain was dead), BLOOD PRESSURE DECREASED (A lot of time my blood pressure decreases), TACHYCARDIA (Tachycardia), TRIGGER FINGER (Trigger Finger), HEART RATE IRREGULAR (heartbeat irregular), MYALGIA (Much pain in my muscles/my muscles hurt very bad), CHILLS (My teeth was chattering), VOMITING (Started Vomiting for two days) and NAUSEA (felt so nauseous/I got nauseous) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood glucose increased: 700 (High) 700mg/dl. On an unknown date, Blood pressure measurement: 160 over 140 (abnormal) 160 over 140. On an unknown date, Electrocardiogram: atrial fibrillation or trachycardia (abnormal) Atrial fibrillation or Tachycardia. On an unknown date, Heart rate: 150 (High) 150 beats per minute. On an unknown date, Thyroid hormones decreased: decreased (Low) Decreased.         No concomitant medication was provided by reporter.  Company Comment: This is a spontaneous case concerning a patient of unknown gender and age, with no medical history reported, who experienced the unexpected, serious, AESI events of Atrial fibrillation, Pulmonary thrombosis and the unexpected, serious, events of Type 1 Diabetes mellitus, Weight decreased, Vision blurred, Hypertension, Heart rate increased, Blood glucose increased and Thyroid hormones decreased. (All events serious due to Hospitalization.) The events occurred within days after the second dose of mRNA-1273 vaccine. Patient was admitted and treated in Emergency Department of a hospital. Heart rate was 150 beats per min, BP was 160/140 mmHg, Blood glucose was 700 mg/dl, ECG showed Atrial Fibrillation or Tachycardia. Insulin was administered. At the time of report, outcome of the events was Unknown. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.   This case was linked to MOD-2022-479171 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 10-Feb-2022: Follow up was received and contains no new information.; Sender's Comments: This is a spontaneous case concerning a patient of unknown gender and age, with no medical history reported, who experienced the unexpected, serious, AESI events of Atrial fibrillation, Pulmonary thrombosis and the unexpected, serious, events of Type 1 Diabetes mellitus, Weight decreased, Vision blurred, Hypertension, Heart rate increased, Blood glucose increased and Thyroid hormones decreased. (All events serious due to Hospitalization.) The events occurred within days after the second dose of mRNA-1273 vaccine. Patient was admitted and treated in Emergency Department of a hospital. Heart rate was 150 beats per min, BP was 160/140 mmHg, Blood glucose was 700 mg/dl, ECG showed Atrial Fibrillation or Tachycardia. Insulin was administered. At the time of report, outcome of the events was Unknown. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.