Vision, Aphasia, Neglect (VAN) screening tool68
Item | Responses |
---|---|
Motor arm | |
Raise both arms | Mild−minor drift Moderate−severe drift Severe−flaccid or no antigravity No weakness—VAN negative |
Vision | |
Assessment of visual fields, vision, diplopia | Field cut Double vision New blindness None |
Aphasia | |
Repeat and name two objects Open and close eyes and fist | Expressive Receptive Mixed None |
Neglect | |
Gaze preference, tactile or spatial neglect | Forced gaze or inability to track to one side Unable to feel both sides at the same time or unable to identify own arm Ignores one side None |
VAN+, motor involvement plus any VAN.
VAN+, 100% sensitivity, 90% specificity, 0.0 negative likelihood ratio for large vessel occlusion.