Sleep 1 Flashcards
CPAP is indicated for what severity OSA
moderate-severe or mild w/ symptoms
AHI of mild OSA
≥5
AHI of moderate OSA
≥15
Adaptive servo ventilation titrates IPAP to _____.
The patient’s own baseline Vt and flow.
2 indications for adaptive servo ventilation
central sleep apnea & opiate-assoc’d periodic breathing
2 meds for REM behavior disorder
clonazepam and melatonin
An apnea is ≥90% decreased signal on the _____ (not the pressure channel).
thermister
A hypopnea must last at least _____.
10 seconds
A hypopnea is ≥___% reduction in pressure signal.
30
A hypopnea requires a ≥___% drop in SpO2.
3-4
Mean sleep latency in narcolepsy
≤8 minutes
Other criteria for narcolepsy Dx (aside from mean sleep latency ≤8 min.)
2 sleep-onset REM periods