RT Book, Section A1 Elliott, William J. A2 Lerma, Edgar V. A2 Berns, Jeffrey S. A2 Nissenson, Allen R. SR Print(0) ID 6339157 T1 Chapter 45. Hypertensive Emergencies & Urgencies T2 CURRENT Diagnosis & Treatment: Nephrology & Hypertension YR 2009 FD 2009 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-144787-4 LK accessmedicine.mhmedical.com/content.aspx?aid=6339157 RD 2024/04/25 AB Emergency: Very elevated blood pressure with acute, ongoing target-organ damage that should be lowered within minutes.Urgency: Very elevated blood pressure without acute, ongoing target-organ damage that should be lowered within hours (controversial).