Research Article
Administration of FTY720 during Tourniquet-Induced Limb Ischemia Reperfusion Injury Attenuates Systemic Inflammation
Table 2
Grading scheme for pulmonary perivascular edema.
| Severity | Extent of edema | Grade | Quantifiable finding |
| Normal | None | 0 | None | Minimal | Very small amount | 1 | Up to 2 times the average width of the arterial wall | Mild | Small amount | 2 | 3 to 5 times the average width of the arterial wall | Moderate | Moderate amount | 3 | 6 to 7 times the average width of the arterial wall | Marked | Large amount | 4 | 8 to 10 times the average width of the arterial wall | Severe | Very large amount | 5 | >10 times the average width of the arterial wall |
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