TY - CHAP M1 - Book, Section TI - Acute Sinusitis A1 - Jauch, Edward C. A1 - Hall, Gregory A1 - Knoop, Kevin J. A2 - Knoop, Kevin J. A2 - Stack, Lawrence B. A2 - Storrow, Alan B. A2 - Thurman, R. Jason PY - 2021 T2 - The Atlas of Emergency Medicine, 5e AB - Acute rhinosinusitis results from an impairment of mucociliary clearance and subsequent inflammation of the paranasal sinuses, due to infection, allergies, or mechanical obstruction. Sinusitis typically occurs in conjunction with inflammation of the nasal mucosa. The most common etiology is a viral infection; most bacterial cases are associated with antecedent viral upper respiratory tract infection. SN - PB - McGraw-Hill CY - New York, NY Y2 - 2024/03/29 UR - accessmedicine.mhmedical.com/content.aspx?aid=1181040244 ER -