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From the 11/26/2021 release of VAERS data:

Found 553 cases where Age is 12-or-more-and-under-18 and Location is U.S., Territories, or Unknown and Vaccine is COVID19 and Manufacturer is PFIZER/BIONTECH and Symptom is Myocarditis or Pericarditis

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Case Details

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VAERS ID: 1397074 (history)  
Form: Version 2.0  
Age: 15.0  
Sex: Male  
Location: Unknown  
Vaccinated:2021-06-05
Onset:2021-06-06
   Days after vaccination:1
Submitted: 0000-00-00
Entered: 2021-06-14
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH - / UNK - / -

Administered by: Unknown       Purchased by: ?
Symptoms: Cardiac imaging procedure abnormal, Chest pain, Myocarditis, Troponin T increased
SMQs:, Myocardial infarction (narrow), Gastrointestinal nonspecific symptoms and therapeutic procedures (broad), Cardiomyopathy (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? No
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? No
Office Visit? Yes
ER Visit? No
ER or Doctor Visit? No
Hospitalized? Yes, 3 days
   Extended hospital stay? No
Previous Vaccinations:
Other Medications:
Current Illness:
Preexisting Conditions: Asthma
Allergies:
Diagnostic Lab Data: Cardiac MRI (6/11/2021) Serum Troponin T (6/9/2021)
CDC Split Type:

Write-up: Chest pain for 2 days with elevated troponin levels. Admitted to pediatric cardiology service. Cardiac MRI showed findings consistent with myocarditis


VAERS ID: 1398787 (history)  
Form: Version 2.0  
Age: 17.0  
Sex: Male  
Location: Connecticut  
Vaccinated:2021-06-11
Onset:2021-06-13
   Days after vaccination:2
Submitted: 0000-00-00
Entered: 2021-06-15
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH EW0191 / 2 AR / IM

Administered by: School       Purchased by: ?
Symptoms: C-reactive protein increased, Cardiac imaging procedure abnormal, Chest discomfort, Chest pain, Echocardiogram normal, Electrocardiogram ST segment elevation, Electrocardiogram abnormal, Magnetic resonance imaging heart, Myocardial oedema, Myocarditis, Pericardial effusion, Troponin increased
SMQs:, Anaphylactic reaction (broad), Systemic lupus erythematosus (broad), Myocardial infarction (narrow), Arrhythmia related investigations, signs and symptoms (broad), Gastrointestinal nonspecific symptoms and therapeutic procedures (broad), Haemodynamic oedema, effusions and fluid overload (narrow), Cardiomyopathy (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? No
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? Yes
Office Visit? No
ER Visit? No
ER or Doctor Visit? No
Hospitalized? Yes, 2 days
   Extended hospital stay? No
Previous Vaccinations:
Other Medications: None
Current Illness: None
Preexisting Conditions: None
Allergies: None
Diagnostic Lab Data: ECG 6/13/21 with anterolateral ST elevations. Troponin peaked at 2453 on 6/14/21. CRP 84 on 6/13/21. Echo 6/13/21 with normal LV function. Cardiac MRI on 6/14/21 with normal LV function. Myocardial edema involving the basal to apical lateral wall. Delayed gadolinium enhancement of the basal to apical lateral wall and apical anterior wall. Trace pericardial effusion. Diagnosed with acute myocarditis.
CDC Split Type:

Write-up: History of prior COVID19 infection in March 2021, mild symptoms. Vaccine #1 on 5/14/21, Vaccine #2 on 6/11/21. Acute onset chest pain/pressure on 6/13/21 in the early morning. Chest pain slowly improved throughout the day. Treated with NSAIDs and colchicine due to concern for myopericarditis.


VAERS ID: 1399080 (history)  
Form: Version 2.0  
Age: 14.0  
Sex: Male  
Location: New York  
Vaccinated:2021-06-09
Onset:2021-06-11
   Days after vaccination:2
Submitted: 0000-00-00
Entered: 2021-06-15
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH - / UNK UN / IM

Administered by: Private       Purchased by: ?
Symptoms: Myocarditis, Troponin
SMQs:, Cardiomyopathy (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? No
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? Yes
Office Visit? Yes
ER Visit? No
ER or Doctor Visit? Yes
Hospitalized? Yes, 2 days
   Extended hospital stay? No
Previous Vaccinations:
Other Medications: no
Current Illness: none
Preexisting Conditions: adhd
Allergies: none
Diagnostic Lab Data: trop 0.91 on 6/11/21 -$g trop 0.61 on 6/12/21
CDC Split Type:

Write-up: myopericarditis


VAERS ID: 1399471 (history)  
Form: Version 2.0  
Age: 12.0  
Sex: Male  
Location: Minnesota  
Vaccinated:2021-06-07
Onset:2021-06-10
   Days after vaccination:3
Submitted: 0000-00-00
Entered: 2021-06-15
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH EW0187 / 2 UN / IM

Administered by: Unknown       Purchased by: ?
Symptoms: Chest pain, Myocarditis, Troponin I increased, Troponin increased
SMQs:, Myocardial infarction (narrow), Gastrointestinal nonspecific symptoms and therapeutic procedures (broad), Cardiomyopathy (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? No
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? No
Office Visit? No
ER Visit? No
ER or Doctor Visit? No
Hospitalized? No
Previous Vaccinations:
Other Medications: None
Current Illness: None
Preexisting Conditions: None
Allergies: None
Diagnostic Lab Data: 6/10/2021 0649 CDT Troponin 0.89 ng/mL (H) (Ref. Range 0.00 - 0.08) 6/10/2021 1104 CDT Troponin 3.32 ng/mL (H) (Ref. Range 0.00 - 0.08) 6/10/2021 17:02 CDT Troponin I 2.56 ng/mL (H) (Ref. Range 0.00 - 0.08) 6/10/2021 23:14 CDT Troponin I 1.80 ng/mL (H) (Ref. Range 0.00 - 0.08) 6/11/2021 5:29 CDT Troponin I 2.05 ng/mL (H) (Ref. Range 0.00 - 0.08) 6/11/2021 11:34 CDT Troponin I 1.33 ng/mL (H) (Ref. Range 0.00 - 0.08) 6/10/2021 1005 am INDICATION: Chest Pain 1. Normal intracardiac anatomy. 2. Trace to mild tricuspid valve insufficiency. RV systolic pressure 23 mmHg + cvp (BP 94/55). 3. Normal chamber sizes, wall thickness, septal position, and systolic function. 4. Normal venous connections, coronary artery origins, and left aortic arch with normal branching. 5. No pericardial effusion.
CDC Split Type:

Write-up: 12 y/o male who received second dose of Pfizer mRNA COVID-19 vaccine (lot number EW0187) on 06/07/2021. Developed chest pain the morning of 6/10 /21 at 0430 and was admitted on 6/10 to Intensive Care Unit for monitoring. Lab and imaging studies were consistent with acute myocarditis. Troponin peaked at 3.32 on admission and was down to 1.33 by the time of discharge on the following day on 6/11/21. No interventions except NSAIDs (ibuprofen) were administered during the admission and he did well. He will follow up with Cardiology as an outpatient.


VAERS ID: 1399950 (history)  
Form: Version 2.0  
Age: 15.0  
Sex: Male  
Location: Minnesota  
Vaccinated:2021-06-11
Onset:2021-06-12
   Days after vaccination:1
Submitted: 0000-00-00
Entered: 2021-06-15
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH - / 2 UN / IM

Administered by: Private       Purchased by: ?
Symptoms: C-reactive protein increased, Chest pain, Electrocardiogram ST segment elevation, Myocarditis, N-terminal prohormone brain natriuretic peptide increased, Pain, Pleuritic pain, Troponin
SMQs:, Cardiac failure (broad), Myocardial infarction (broad), Gastrointestinal nonspecific symptoms and therapeutic procedures (broad), Cardiomyopathy (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Infective pneumonia (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? No
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? Yes
Office Visit? No
ER Visit? No
ER or Doctor Visit? Yes
Hospitalized? Yes, 2 days
   Extended hospital stay? No
Previous Vaccinations:
Other Medications: None
Current Illness:
Preexisting Conditions: None
Allergies: No known allergies
Diagnostic Lab Data: EKG 6/14/2021 with ST elevations in leads II, III, avF, V3-V6 Troponin 6/14/2021: 13.7 CRP 6/14/2021: 31.9 NT Pro BNP 6/14/2021: 556
CDC Split Type:

Write-up: Patient received the vaccine on 6/11/2021. On 6/12/2021 he developed pleuritic chest pain. The pain worsened and he presented to the ED on 6/14/2021. He was found to have myocarditis and quickly improved--chest pain resolved on 6/15. Treated with a 5 day course of prednisone. Improvement started before treatment with prednisone.


VAERS ID: 1400077 (history)  
Form: Version 2.0  
Age: 14.0  
Sex: Male  
Location: New Jersey  
Vaccinated:2021-06-11
Onset:2021-06-14
   Days after vaccination:3
Submitted: 0000-00-00
Entered: 2021-06-15
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH - / UNK - / -

Administered by: Unknown       Purchased by: ?
Symptoms: Chest pain, Electrocardiogram change, Myocarditis, Pyrexia, Troponin increased
SMQs:, Neuroleptic malignant syndrome (broad), Myocardial infarction (narrow), Anticholinergic syndrome (broad), Arrhythmia related investigations, signs and symptoms (broad), Gastrointestinal nonspecific symptoms and therapeutic procedures (broad), Cardiomyopathy (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? Yes
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? Yes
Office Visit? No
ER Visit? No
ER or Doctor Visit? No
Hospitalized? Yes, 2 days
   Extended hospital stay? No
Previous Vaccinations:
Other Medications: fluticasone (Flonase) 50 mcg/ACT Nasal spray acetaminophen 160 mg/5mL Oral suspension
Current Illness: None
Preexisting Conditions: Patient had previously been evaluated by cardiology in the past (2012) for a murmur and had a normal evaluation at that time.
Allergies: Seasonal allergies
Diagnostic Lab Data:
CDC Split Type:

Write-up: fever, chest pain, elevated troponin, and EKG changes consistent with myocarditis.


VAERS ID: 1400088 (history)  
Form: Version 2.0  
Age: 15.0  
Sex: Male  
Location: North Carolina  
Vaccinated:2021-06-10
Onset:2021-06-11
   Days after vaccination:1
Submitted: 0000-00-00
Entered: 2021-06-15
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH EW0168 / 2 LA / IM

Administered by: Public       Purchased by: ?
Symptoms: C-reactive protein increased, Chest pain, Chills, Directional Doppler flow tests normal, Echocardiogram abnormal, Ejection fraction, Electrocardiogram ST segment elevation, Electrocardiogram T wave abnormal, Electrocardiogram abnormal, Intensive care, Left ventricular dysfunction, Nausea, Pericarditis, Pulmonary valve incompetence, Pyrexia, Tricuspid valve incompetence, Troponin increased
SMQs:, Cardiac failure (broad), Acute pancreatitis (broad), Neuroleptic malignant syndrome (broad), Systemic lupus erythematosus (broad), Myocardial infarction (narrow), Anticholinergic syndrome (broad), Arrhythmia related investigations, signs and symptoms (broad), Pulmonary hypertension (narrow), Gastrointestinal nonspecific symptoms and therapeutic procedures (narrow), Cardiomyopathy (broad), Other ischaemic heart disease (broad), Chronic kidney disease (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Hypokalaemia (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? Yes
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? No
Office Visit? No
ER Visit? No
ER or Doctor Visit? No
Hospitalized? Yes, 2 days
   Extended hospital stay? No
Previous Vaccinations:
Other Medications: Nothing prior to or at the time of vaccination. He took some Tylenol when he developed fever the day after the vaccine.
Current Illness: None
Preexisting Conditions: None
Allergies: None
Diagnostic Lab Data: Troponin: 27.43 ng/mL (6/13), 11.18 ng/mL (6/14), 2.62 ng/mL (6/15) CRP: 6.24 (6/13) Echocardiogram: 6/13/21: Summary: 1. Normal cardiac arterial and venous connections 2. Normal biventricular size 3. Low-normal to mildly reduced left venticular systolic function 4. Trivial tricuspid valve insufficiency with incomplete Doppler envelope to calculate right ventricular systolic pressure 5. Trivial pulmonary valve insufficiency 6. Normal origin and course of the coronary arteries by 2D imaging and color flow Doppler 7. No pericardial effusion Echocardiogram 6/15/21: Summary: 1. Mildly reduced left ventricular function with normal size. Normal right ventricular size and function 2. Ejection fraction by Simpson''s method 44.3 - 50.7%. Global longitudinal strain is -12.3% 3. The coronary arteries have normal origins, configuration and normal flow with color Doppler. 4. No pericardial or pleural effusion noted. ECG 6/14/21: Ventricular Rate: 100 Atrial Rate: 100 P-R Interval: 136 QRS Duration: 76 Q-T Interval: 338 QTC Calculation(Bazett): 436 P Axis: 64 R Axis: 62 T Axis: 54 Impression: ** ** ** * Pediatric ECG Analysis * ** ** ** Normal sinus rhythm Acute pericarditis No previous ECGs available ECG 6/15/21: Ventricular Rate: 96 Atrial Rate: 96 P-R Interval: 146 QRS Duration: 76 Q-T Interval: 348 QTC Calculation: 439 P Axis: 63 R Axis: 57 T Axis: 28 Impression: ** ** ** * Pediatric ECG Analysis * ** ** ** Normal sinus rhythm ST elevation, consider early repolarization, pericarditis, or injury Nonspecific T wave abnormality PEDIATRIC ANALYSIS - MANUAL COMPARISON REQUIRED When compared with ECG of 15-JUN-2021 06:27, PREVIOUS ECG IS PRESENT
CDC Split Type:

Write-up: The patient is a 15-year-old male with no past medical history who was in his normal state of health when he received a dose to the Pfizer COVID-19 vaccine on June 10th 2021. The day following vaccine he developed fevers and chills which she treated with Tylenol. On the morning of June 12 he developed chest pain and nausea which progressively worsened throughout the day. That day he presented to an outside hospital emergency department where he was found to have elevated troponin and EKG with ST segment elevation. He was then transferred to the hospital pediatric ICU for further care. On admission to the PICU treatment was started with IV Toradol. Echocardiogram was performed and revealed mildly decreased left ventricular systolic function. His peak troponin level was 27.43. He remains hemodynamically stable and was transferred to the pediatric floor. By 6/14/2021 his chest pain had resolved and he continued to improve with NSAID therapy alone. His troponin down trended to 2.62 on day of discharge. Repeat echo on day of discharge showed improving but still mildly diminished systolic function. Repeat ECG at discharge showed persistent ST elevation. He was discharged with a prescription to continue ibuprofen 600 mg 3 times daily and follow-up with pediatric cardiology in 1 to 2 weeks.


VAERS ID: 1400112 (history)  
Form: Version 2.0  
Age: 14.0  
Sex: Male  
Location: California  
Vaccinated:2021-06-12
Onset:2021-06-14
   Days after vaccination:2
Submitted: 0000-00-00
Entered: 2021-06-15
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH EW0182 / 2 RA / IM

Administered by: Private       Purchased by: ?
Symptoms: Chest pain, Echocardiogram normal, Electrocardiogram ST segment elevation, Pericarditis, Troponin normal
SMQs:, Systemic lupus erythematosus (broad), Myocardial infarction (broad), Gastrointestinal nonspecific symptoms and therapeutic procedures (broad), Cardiomyopathy (broad), Chronic kidney disease (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? No
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? No
Office Visit? No
ER Visit? No
ER or Doctor Visit? No
Hospitalized? Yes, 1 days
   Extended hospital stay? No
Previous Vaccinations:
Other Medications: None
Current Illness: mild sore throat
Preexisting Conditions: None
Allergies: None
Diagnostic Lab Data: EKG upon admission at another hospital also demonstrated diffuse ST elevation (6/14 and 6/15/21). Echocardiogram was normal (6/15/2021) Troponin values at the outside hospital and at other hospital were both normal (6/14/21).
CDC Split Type:

Write-up: Patient is a 14 year old male with no past medical history who was transferred from an outside hospital ED for new onset chest pain that started 2 days after he received his second dose of the COVID vaccine, with ST elevation EKG changes concerning for pericarditis. EKG upon admission at another facility also demonstrated diffuse ST elevation. Echocardiogram was normal. Troponin values at the outside hospital and at other facility were both normal. During his admission he was started on ibuprofen TID and famotidine BID. His chest pain resolved and he was discharged home with specific return precaution and follow-up appointments with cardiology in 2 weeks and his PMD in 1 week.


VAERS ID: 1400174 (history)  
Form: Version 2.0  
Age: 15.0  
Sex: Male  
Location: California  
Vaccinated:2021-06-11
Onset:2021-06-12
   Days after vaccination:1
Submitted: 0000-00-00
Entered: 2021-06-15
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH - / 2 - / IM

Administered by: Private       Purchased by: ?
Symptoms: Chest pain, Echocardiogram normal, Myocarditis, Troponin increased
SMQs:, Myocardial infarction (narrow), Gastrointestinal nonspecific symptoms and therapeutic procedures (broad), Cardiomyopathy (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? No
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? No
Office Visit? No
ER Visit? No
ER or Doctor Visit? No
Hospitalized? Yes, 3 days
   Extended hospital stay? No
Previous Vaccinations:
Other Medications:
Current Illness:
Preexisting Conditions:
Allergies:
Diagnostic Lab Data: Echocardiogram 6/13/21: normal structure and function, no effusion High Sensitivity Troponin I: 6/13/21 @1721: 21,690 6/14/21 @0455: $g27,000 6/14/21 @1701: 15,347 6/14/21 @0458: $g27,000
CDC Split Type:

Write-up: Patient developed chest pain and found to have myocarditis with elevated troponins. Chest pain responding to Ibuprofen monotherapy.


VAERS ID: 1400188 (history)  
Form: Version 2.0  
Age: 15.0  
Sex: Male  
Location: Illinois  
Vaccinated:2021-06-11
Onset:2021-06-13
   Days after vaccination:2
Submitted: 0000-00-00
Entered: 2021-06-15
Vaccin­ation / Manu­facturer Lot / Dose Site / Route
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH EW0183 / 1 - / IM
COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH EW0151 / 2 - / IM

Administered by: Private       Purchased by: ?
Symptoms: Myocarditis
SMQs:, Cardiomyopathy (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (broad)

Life Threatening? No
Birth Defect? No
Died? No
Permanent Disability? No
Recovered? No
Office Visit? No
ER Visit? No
ER or Doctor Visit? No
Hospitalized? Yes, ? days
   Extended hospital stay? No
Previous Vaccinations:
Other Medications:
Current Illness:
Preexisting Conditions:
Allergies:
Diagnostic Lab Data:
CDC Split Type:

Write-up: Myocarditis


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