8/29/2013

8/29/2013

Answers:

What stage of sleep is associated with K complexes?

A) Stage I 

B) Stage II 

C) Stage III 

D) Stage IV 

E) REM

-Stage I = increased theta wave, decreased alpha waves.
-Stage II = K-complexes/spindles
-Stage III/IV= lots of delta waves.

What is the definition of apnea in an adult? In a child?

In adults, Apnea = at least 10 seconds w/ no air flow via mouth or nose. 
In children there is no time requirement, Apnea = no air flow via mouth or nose.

MC Question:

An adult patient undergoes polysomnography to assess possible OSA. They are found to have an AHI of 25 which categorizes their OSA as...?
A) Mild 
B) Moderate 
C) Severe 
D) They do not meet criteria for OSA

Free Response Question:
What percentage of adult men have an AHI > 5?

Quick Facts:
-OSA Risk Factors:
-Obesity--> 3 fold increase w/ 1 SD of BMI increase.
-Male Gender
-Native Americans
-Acromegaly