Number of elements in Rule 1 met
Number of elements in Rule 2 met
Number of elements in Rule 3 met
Should the patient be screened for subarachnoid hemorrhage based on one of the rules?
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Purpose: To identify a patient with a non-trauamtic headache who should be evaluated for subarachnoid hemorrhage using the clinical rules of Perry et al.
Objective: clinical diagnosis, including family history for genetics