TY - CHAP M1 - Book, Section TI - Approach to the Patient with Headache A1 - Mathew, Paul G. A1 - Sheikh, Huma A2 - Bajwa, Zahid H. A2 - Wootton, R. Joshua A2 - Warfield, Carol A. PY - 2016 T2 - Principles and Practice of Pain Medicine, 3e AB - Among the complaints from patients presenting to outpatient practices, headache is one of the most common. Even the most experienced providers often have a difficult time formulating a diagnosis and effective treatment plan. The authors of this chapter evaluate some of the imperative concepts of headache diagnosis, including headache-specific history, physical examination, warning signs of secondary headache disorders, and when to contemplate further diagnostic studies. The criteria used in making a specific diagnosis are located in the International Headache Society's International Classification of Headache Disorders, second edition (ICHD-2).1 SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/10/03 UR - accessanesthesiology.mhmedical.com/content.aspx?aid=1131932332 ER -