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Quebec classificationEmergency medicine A classification used to stratify the severity of whiplash-related injury and need for therapy, based on the data from meta-analysis. See Whiplash.
Quebec Classification–Whiplash-associated disease
0 No complaint about the neck; no physical signs
I Neck complaint–pain, stiffness, or tenderness only
II Neck complaint AND musculoskeletal signsa
III Neck complaint AND neurological signsb
IV Neck complaint AND fracture or dislocation
aMusculoskeletal signs include ↓ range of motion and point weakness
bNeurologic signs include ↓ or absent deep tendon reflexes, weakness, and sensory deficits
Symptoms that may occur in all grades include deafness, dizziness, tinnitus, headache, memory loss, dysphagia, TMJ pain Spine 1995; 20/8S:2S-68S