title: Obstruction of tracheostomy by thrombus.
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013927:Thrombosis / Q000209:etiology*; D014140:Tracheotomy / Q000009:adverse effects*