Headache Subarachnoid Hemorrhage High Risk Characteristics

Are you evaluating a patient presenting to the ED with an acute non-traumatic headache?

Yes

Age of the patient

years

Did the headache peak in 1 hour?

Yes

Was the headache accompanied by syncope?

Yes

Systolic blood pressure

mm Hg

Diastolic blood pressure

mm Hg

Does/Did the patient ?

• have a complaint of neck pain or stiffness?

Yes

• have a witnessed loss of consciousness?

Yes

• have the onset the headache with exertion?

Yes

• arrive by ambulance?

Yes

• vomit at least once?

Yes

Clinical Rules of Perry et al for Identifying a Patient with Acute Headache Who Should Be Evaluated for Subarachnoid Hemorrhage