RT Book, Section A1 Chomchai, Chulathida A2 Cydulka, Rita K. A2 Fitch, Michael T. A2 Joing, Scott A. A2 Wang, Vincent J. A2 Cline, David M. A2 Ma, O. John SR Print(0) ID 1143143144 T1 Dyshemoglobinemias T2 Tintinalli's Emergency Medicine Manual, 8e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780071837026 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1143143144 RD 2024/04/23 AB Dyshemoglobinemias result from the alteration of the hemoglobin molecule, which prevents it from carrying oxygen. Carboxyhemoglobin is created following exposure to carbon monoxide, which is usually considered an environmental emergency and is discussed in Chapter 127. Table 117-1 lists common pharmaceuticals capable of causing the formation of methemoglobin.