RT Book, Section A1 Idrose, Alzamani Mohammad A2 Tintinalli, Judith E. A2 Ma, O. John A2 Yealy, Donald M. A2 Meckler, Garth D. A2 Stapczynski, J. Stephan A2 Cline, David M. A2 Thomas, Stephen H. SR Print(0) ID 1166812404 T1 Adrenal Insufficiency T2 Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 9e YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9781260019933 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1166812404 RD 2024/04/24 AB The adrenal gland synthesizes steroid hormones in the cortex and catecholamines in the medulla. Primary adrenal insufficiency, or Addison’s disease, is due to intrinsic adrenal gland dysfunction and results in decreased cortisol, aldosterone, and gonadotropin production. About 90% of the gland must be destroyed for clinical adrenal insufficiency to develop.