TY - CHAP M1 - Book, Section TI - Giant Cell Arteritis A1 - Bongartz, Timothy A1 - Dingle, Jodi A. A2 - Knoop, Kevin J. A2 - Stack, Lawrence B. A2 - Storrow, Alan B. A2 - Thurman, R. Jason Y1 - 2021 N1 - T2 - The Atlas of Emergency Medicine, 5e AB - Giant cell arteritis (GCA) is a disease of the elderly, most commonly occurring in the 7th decade and almost never among patients less than 50 years of age. It is a form of vasculitis that involves the aorta and its branches. Constitutional symptoms such as fatigue and weight loss are common. About one-half of patients can have fevers. SN - PB - McGraw-Hill CY - New York, NY Y2 - 2024/10/07 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1181053233 ER -