Sleep Apnea Flashcards
1
Q
What is OSA
A
apnea in the
presence of respiratory effort
2
Q
What is CSA
A
apnea in the
absence of respiratory effort
3
Q
What is mixed/complex apnea?
A
1st central, then obstructive
4
Q
how is obesity determined
A
BMI = wt in kg/(ht in meters) square
5
Q
how to classify BMI?
A
Ideal weight: BMI 18.5-24.5
Overweight: BMI >25; obese: BMI >30
Morbid Obesity > 50
Underweight: BMI<18.5
6
Q
What is sleep apnea
A
complete cessation of airflow for more than 10 sec.
with or without presence of respiratory effort
less than 10 apneic episodes /hr sleep is considered
normal
7
Q
What is sleep hypopnea
A
> 30% reduction in airflow without cessation of
breathing) in conjunction with a 2% SpO2 desaturation
or arousal from sleep
8
Q
What is SAS
A
repeated episodes of apnea and/or hypopnea
during sleep
