Paranasal Sinuses Sinusitis

Anatomical (compromised patency of ostia causes hypooxygenation and impairment of sinus drainage) Dysfunction of Cilia Motility Change in Quality of Secretions Viral rhinovirus (most common) Bacterial S. pneumoniae (most common bacterial agent), H. influenzae, B. catarrhalis, S. aureus, S. pyogenes Fulminant Fungal Aspergillosis, Phaehyphomycosis, Mucor, Rhizopus Chronic anaerobes, S. aureus, H. influenzae, 1 2 fungal Complicated Sinusitis Cystic Fibrosis P. aeruginosa, S. aureus Nosocomial P....

Evaluation Of Nasal Obstruction History and Physical Exam

Character of Nasal Obstruction onset and duration, constant versus intermittent, unilateral tumors, normal nasal cycle versus bilateral obstruction, associated mouth breathing, snoring, anosmia hyposmia taste disturbances, tearing nasolacrimal duct obstruction or allergy Contributing Factors potential toxin and allergen exposure, known drug allergies, medications see Table 1 1 , history of immunodeficiency, asthma, sinusitis, otitis media, allergy, sleep disturbances, facial trauma or surgery...