| AHA | Anti-heart autoantibodies |
| AIDA | anti-intercalated disk autoantibodies |
| CMR | cardiac magnetic resonance |
| FDG-PET | 18-fluorodeoxyglucose positron emission tomography |
| IFL | indirect immunofluorescence |
| IHF | ischemic heart failure |
| LGE | late gadolinium enhancement |
| LVEF | left ventricular ejection fraction |
| NDB | normal blood donors |
| NICD | noninflammatory cardiac disease |
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