Domain 2: Sleep Study Preparation and Performance

Question 1

How do you apply EEGs?

Answer 1

Using the International 10-20 Measuring System

Question 2

How do you apply EOGs?

Answer 2

1 cm up from outer canthus of right eye, 1 cm down from outer canthus of the left eye

Question 3

How do you apply EMGs?

Answer 3

1 cm up from inferior edge of mandible (chin z), 2 cm down and 2 cm off midline (chin 1 and 2)

Question 4

How do you apply ECGs?

Answer 4

Modified lead ll placement on Torso (Passenger Seatbelt)

Question 5

How do you apply Leg EMGs?

Answer 5

Middle of Anterior Tibialis muscle; Both legs. 2-3 cm apart or 1/3 the length of muscle.

Question 6

How do you monitor respiratory effort on a PSG?

Answer 6

Thorax Belt: Secured just below axilla
Abdomen belt: Secured about waist

Question 7

How do you monitor snore on PSG?

Answer 7

Microphone: Close to patient
Sensor: Laterally on the anterior neck, superior to larynx

Question 8

How do you monitor Airflow on a PSG?

Answer 8

Nasal Prongs into nostril: third prong in front of mouth
Thermistor: In front of nostril and mouth openings

Question 9

How do you monitor Oximeter on a PSG?

Answer 9

Taped/Clipped to index closest to the oximeter: alternate is earlobe.

Question 10

How do you prepare sites for application of electrodes? (Head and Face)

Answer 10

1. Clean and free of oil
2. alcohol and abrasive cleaner
3. paste, cream, or collodion attachment \
4. technique, gather and secure wire: Ponytail

Question 11

How do you prepare sites for application of electrodes? (Body)

Answer 11

1. Clean and free of oil
2. alcohol and abrasive cleaner
3. Technique, Stress loops, feed through clothing/belts