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I have a symptom

I know the diagnosis

Orthopedic Injuries

Fractures & dislocations

Clinical calculators

Billing code lookup

Interpretation guide

Bedside ultrasound

Step-by-step guides

ACLS / PALS / NRP

Articles & updates

In-depth clinical reviews

Menu

I have a symptom

I know the diagnosis

Orthopedic Injuries

Fractures & dislocations

Clinical calculators

Billing code lookup

Interpretation guide

Bedside ultrasound

Step-by-step guides

ACLS / PALS / NRP

Articles & updates

In-depth clinical reviews

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CalculatorsNEXUS Head CT Rule

NeurologyCriteria

NEXUS Head CT Rule

Alternative decision rule to the Canadian CT Head Rule for blunt head injury.

Parameters

Clinical Criteria (Any ONE triggers CT)any

Age ≥65 yearsGCS <15Neurological deficitVomitingEvidence of skull fracture (basal signs or depressed fx)Scalp hematomaCoagulopathy or anticoagulationDangerous mechanism (e.g., high-speed MVC, fall >3ft)

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