Epistaxis pathophysiology

Epistaxis Microchapters
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Editor in Chief:: C. Michael Gibson, M.S., M.D. [[1]]. Associate Editor(s)-in-Chief: Amir Behzad Bagheri, M.D.

Overview

All nosebleeds are due to tears in the mucosal lining and the many small blood vessels it contains. Fragility or injury may cause the tears, while inflammation, coagulation problems and other disorders may make the injury harder to repair. In some patients rapture of nasal blood vessels is spontaneous.