sleep related breathing disorders

Question 1

what is a hypnogram

Answer 1

a recording of the sleep cycle

Question 2

what is the most common sleep disorder?

Answer 2

insomnia

Question 3

when we sleep, the tidal volume____

Answer 3

decr

Question 4

Normal sleeping: incr paCO2 by ___; decr in PaO2 by ____

Answer 4

Normal sleeping: incr paCO2 by 2-4, decr in PaO2 by 3-9

Question 5

dynamic upper airway narrowing or closure during sleep

Answer 5

obstructive sleep apnea

Question 6

triad of sx seen in obstructive sleep apnea

Answer 6

1. loud snoring
2. oxygen desaturations
3. frequent arousals

Question 7

who to screen for OSA?

Answer 7

1. dissatisfied w/ sleep

2. daytime sleepiness

Question 8

what is the berlin questionnaire?

Answer 8

used in primary care setting to assess risk

Question 9

what is the STOP BANG screenign test?

Answer 9

used in preoperative setting

Question 10

Most common reason for OSA in children

Answer 10

prominent tonsils

Question 11

what to use to determine how sleep a patient is

Answer 11

epworth sleepiness scale

Question 12

what is the gold standard for OSA evaluation?

Answer 12

polysomnography

Question 13

decrease in airflow by 30% + drop in pulse ox by 4%

Answer 13

hypopnea

Question 14

what is the AHI

Answer 14

apnea hypopnea index

Question 15

what is AHI used for?

Answer 15

apneas & hypopneas per hr of sleep

Question 16

what is the tx of choice for sleep apnea?

Answer 16

CPAP

Question 17

what else can CPAP reduce other than sleep apnea

Answer 17

HTN

Question 18

recurrent cessation of respitation during sleep without associated ventilatory effort

Answer 18

central sleep apnea

Question 19

cheyne stokes breathing pattern is seen w/?

Answer 19

central sleep apnea

Question 20

which type of sleep apnea is linked to overuse of narcotics?

Answer 20

CSA

Question 21

what is the obesity hypoventilation syndrome?

Answer 21

pickwickian syndrome (secondary sleep related hypoventilation syndrome)