Sleep Disordered Breathing

Question 1

During an obstructive event, what is the relationship btw the pressures at the site of airway collapse (Pcrit), upstream (Pus) to the site of collapse, and downstream (Pds) to the site of collapse?

Answer 1

Pcrit>Pus>Pus

Question 2

Which diagnostic test would definitively diagnose OSA in a pt with a high pretest probability?

Answer 2

polysomnography (sleep study)

Question 3

Which surgical procedure would be appropriate for an adult pt with severe, life threatening OSA and intolerance to C-PAP?

Answer 3

tracheostomy