RT Book, Section A1 Bongartz, Timothy A1 Dingle, Jodi A. A2 Knoop, Kevin J. A2 Stack, Lawrence B. A2 Storrow, Alan B. A2 Thurman, R. Jason SR Print(0) ID 1181053233 T1 Giant Cell Arteritis T2 The Atlas of Emergency Medicine, 5e YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260134940 LK accessmedicine.mhmedical.com/content.aspx?aid=1181053233 RD 2024/04/24 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.