Fig. 1
From: SARS-CoV-2 infection increases airway bleeding risk in patients after tracheostomies
Airway bleeding events in patients receiving tracheostomies. A: Airway mucosal congestion and erosion. B-C: Airway mucosal erosion with minor bleeding. D-E: Diffuse bleeding of the airway mucosa. F: Crust formation in the airway