| • Syncope or seizure | • Electrolyte disturbance |
| • Exertional symptoms | • Kawasaki disease |
| • Drug ingestion | • Rheumatic fever |
| • Tachyarrhythmia | • Myocarditis |
| • Bradyarrhythmia | • Myocardial contusion |
| • Cyanotic episodes | • Pericarditis |
| • Heart failure | • Post cardiac surgery |
| • Hypothermia | • Congenital heart defects |
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