- Discussion: 
- Dx of FES requires at least one sign from major criteria and at least four signs from the minor criteria category;  
- Gurd's Major Criteria: 
- axillary or subconjuctival petechia  
- occurs transiently (4-6 hours) in 50-60 % of the cases; 
- hypoxemia (PaO sub 2, <60 mmHg; FiO sub 2, <= 0.4) 
- central nervous system (CNS) depression disproportionate to hypoxemia, and pulmonary edema; 
- Gurd's Minor Criteria: 
- tachycardia (more than 110 beats per minute)
- pyrexia (temperature higher than 38.5 degrees) 
- emboli present in retina on funduscopic examination 
- fat present in urine 
- sudden unexplainable drop in hematocrit or platelet values 
- increasing sed rate; 
- fat globules present in sputum; 
- Misc: 
- occurs w/in 72 hours of skeletal trauma; 
- shortness of breath; 
- altered mental status; 
- occasional long tract signs and posturing; 
- urinary incontinence