Sleep study montage setup, basic sleep stage scoring, and common sleep disorder recognition tested on polysomnographic technologist certification exams.
35 cards · basic cards · AI-written, checked twice. Edit anything.
- What does the abbreviation PSG stand for in a sleep lab?
- Polysomnography
- What is the AASM recommended central EEG derivation for routine sleep stage scoring?
- C4-M1 (with C3-M2 as backup)
- In PSG electrode nomenclature, what do M1 and M2 refer to?
- The left and right mastoid reference electrodes
- Where is the E1 (left) EOG electrode placed?
- 1 cm below and 1 cm lateral to the outer canthus of the left eye
- Which muscle is used for the chin EMG channel in a standard PSG montage?
- The submentalis (mentalis) muscle
- Which muscle is used for leg EMG electrode placement in PSG?
- The anterior tibialis
- Which airflow sensor is preferred for detecting hypopneas?
- The nasal pressure transducer
- Which airflow sensor is preferred for detecting apneas?
- The oronasal thermal sensor
- What technology measures chest and abdominal respiratory effort in PSG?
- Respiratory inductance plethysmography (RIP)
- What is the maximum recommended signal averaging time for pulse oximetry in PSG?
- 3 seconds or less
- What is the standard EEG low frequency (high-pass) filter setting in PSG?
- 0.3 Hz
- What is the standard EEG high frequency (low-pass) filter setting in PSG?
- 35 Hz
- What is the standard epoch length used for sleep stage scoring?
- 30 seconds
- List the five AASM sleep stages.
- W, N1, N2, N3, and R
- What is the frequency range of the alpha rhythm?
- 8 to 13 Hz