"Investigating severe headache (cephalgia is the rarely used medical term for headache 5) is a common requirement in both acute and emergency services. It is also common in neurology clinics and GP surgeries. While many of the headaches are benign a large number of patients require radiological investigation 1,2."
Expected headings
"This is a basic article for medical students and other non-radiologists"
"Teaching playlist"
"This is a summary article; read more in our article on headache (overview)."