TY - CHAP M1 - Book, Section TI - Dyspnea A1 - Jameson, J. Larry A1 - Fauci, Anthony S. A1 - Kasper, Dennis L. A1 - Hauser, Stephen L. A1 - Longo, Dan L. A1 - Loscalzo, Joseph Y1 - 2020 N1 - T2 - Harrison's Manual of Medicine, 20e AB - Dyspnea, a subjective experience of uncomfortable breathing, is a symptom that typically results from cardiac, pulmonary, and neurologic etiologies that cause an increased drive to breathe, increased work of breathing, and/or stimulation of specific receptors in the heart, lungs, or vasculature. Assessment begins by determining the quality and intensity of the discomfort. Chronic dyspnea is typically defined as symptoms lasting >1 month. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=1167063009 ER -