Myocarditis

• What is myocarditis?


  Inflammation of the myocardium
• What is the most common cause of myocarditis?

  Viral infections
• What are some viral infections that cause myocarditis?

  Enteroviruses - Coxsackievirus B

  Human herpes virus 6

  Parvovirus B-19

  Influenza A

  HIV
• What are some bacterial/parasitic infections that can cause myocarditis?

  Rheumatic fever (strep A)

  Trypanosoma cruzi (Chagas disease)

  Diphtheria
• What are some clinical features of myocarditis?

  Chest pain

  Systemic upset

  SOB

  Palpitations

  Tachycardia

  Sudden death
• What are some investigations for myocarditis?

  ECG

  Bloods

  Urine dip

  Echo

  MRI
• What are some blood tests done for myocarditis?

  EBC

  ESR

  CRP

  Cardiac enzymes
• What may an ECG show for myocarditis?

  ST elevation/depression

  Inverted T wave

  Atrial arrhythmias

  Transient AV block
• How is myocarditis managed?

  Supportively e.g.

  Oxygen

  Fluids

  Treat underlying cause
• What is the gold standard investigation for the diagnosis of myocarditis?

  Endomyocardial biopsy