Table 1: Gurd's Criteria: Gurd's Criteria defines FES as 1 major criteria, 4 minor criteria [15].
| Major Criteria | Minor Criteria |
| Petechial rash | Tachycardia |
| Respiratory symptoms (PaO2 < 60 mmHg) plus bilateral radiographic findings | Pyrexia |
| Cerebral signs unrelated to head injury | Retinal petechiae or fat |
| Urinary fat globules or oligo-anuria | |
| Sudden drop in hemoglobin level | |
| Sudden thrombocytopenia | |
| High ESR | |
| Fat globules in sputum | |
| Fat macroglobulinemeia | |
| Jaundice | |
| Renal injury |