- Typically viral: coxsackie, influenza, adeno, cmv, ebv, hsv
- Other infxns include: lyme, trypanosoma (Chagas), HIV, bacterial sepsis
- Typically those of heart failure
- Also F, C, S and anything else specific to underlying pathogen
- Often co-existent pericarditis
- Fever
- Elevated jvp
- Displaced PMI
- Other findings assoc w/primary infxn
- Echo, + HS Troponin
- Labs to r/o other contributors, tox
- Cardiac MRI