This clinical policy from the American College of Emergency Physicians is an update of a
2002 clinical policy on the evaluation and management of adult patients presenting to the …

The ideal therapy and neurocritical care for patients with aneurysmal subarachnoid
hemorrhage (SAH) follows from an early and accurate diagnosis. However, approximately …

Most patients presenting with uncomplicated, nontraumatic, primary headache do not
require imaging. When history, physical, or neurologic examination elicits “red flags” or …

Headache is the fourth most common chief complaint in the emergency department (ED),
comprising approximately 3% of all ED visits in the United States. 1, 2 Depending on its …

Background There are many potential causes of sudden and severe headache (thunderclap
headache), the most important of which is aneurysmal subarachnoid haemorrhage …

Objective.—To provide to emergency department (ED) physicians with guidelines for
diagnosis of patients with nontraumatic headaches. Background.—Many patients present to …

Headaches are nearly ubiquitous; patients with this complaint account for 1% to 2% of all
emergency department (ED) visits [1–3]. Because most of these patients have primary …

Most causes of headache are benign; however, there are a small percentage of headaches
that require urgent diagnostic evaluation and treatment [1]. These include subarachnoid …

This clinical policy focuses on critical issues in the evaluation and management of patients
with acute headache. A MEDLINE search was performed, abstracts were reviewed, and …

Headache, or cephalgia, is the fifth most common primary complaint of patients presenting to
an emergency department (ED) in the United States, representing more than 3 million …