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DASS grades of severity
| GRADE | DESCRIPTION |
|---|---|
| 1 | Cool or pale limb that is asymptomatic |
| 2 | Intermittent claudication of the limb during exertion or hemodialysis |
| 3 | Rest pain of the limb. Rest pain can often be worst at night and typically improves with dependency |
| 4 | Tissue loss of the limb (including ulceration or gangrene) |
DASS—dialysis access steal syndrome.
