Epidemiology
Etiology
Pathophysiology
Clinical features
- Highly variable presentation, often in a young pt.
- Frequently preceded by a viral prodrome (fever, myalgias, URI Sx).
- Chest Pain: Can be pleuritic (suggesting concomitant pericarditis) or anginal-like.
- Heart Failure Sx: Dyspnea, orthopnea, peripheral edema due to systolic dysfunction.
- Arrhythmias: Palpitations, syncope, or sudden cardiac death (SCD).
- Lyme carditis is notorious for causing AV block.
Diagnostics
Endomyocardial biopsy
- Myocyte necrosis (may be focal)
- Inflammatory cell infiltrate (e.g., lymphocytic)

Treatment
Complications