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Characteristics of infarct in cases
| No of cases | % cases | ||
|---|---|---|---|
| Principal symptom | Chest pain | 183 | 88.8 |
| Collapse, shock syncope | 14 | 6.8 | |
| Abdominal pain | 7 | 3.4 | |
| Breathless | 2 | 1.0 | |
| Site of infarction | Anterior | 95 | 47.0 |
| Inferior | 95 | 47.0 | |
| Septal | 3 | 1.5 | |
| Posterior | 4 | 2.0 | |
| Non-Q-wave infarct | 2 | 1.0 | |
| Uncertain | 3 | 1.5 | |
| Evidence for infarction | ST elevation >1 mm | 138 | 72.3 |
| CK rise > 75% above normal | 198 | 96.6 |
