RT Book, Section A1 Effron, David A1 Forcier, Beverly C. A1 Wyszynski, Richard E. A2 Knoop, Kevin J. A2 Stack, Lawrence B. A2 Storrow, Alan B. A2 Thurman, R. Jason SR Print(0) ID 1181039726 T1 Subhyaloid Hemorrhage in Subarachnoid Hemorrhage 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=1181039726 RD 2024/10/12 AB Subhyaloid hemorrhage appears as extravasated blood beneath the retinal layer. These are often described as “boat-shaped” hemorrhages to distinguish them from the “flame-shaped” hemorrhages on the superficial nerve fiber layer of the retina. They may occur as a result of blunt trauma but are perhaps best known as a marker for SAH. In SAH, the hemorrhages appear as a “puff” of blood emanating from the central disk.