12 Questions
What is the purpose of correcting artifacts in sleep data analysis?
To enhance the signal clarity for accurate analysis
Why is it crucial to have the correct EOG polarity?
To distinguish REM sleep recognition from other sleep stages
In calculating a patient's AHI, what does the Apnea Hypopnea Index represent?
of sleep events divided by total sleep time
Where are the ECG leads placed in a modified lead II ECG?
Right clavicle and left lower thorax on third rib
What is the main consequence of mixing electrode materials within a derivation?
Distortion of recorded data
Why should the impedance in sleep studies typically be kept below 5,000 ohms?
To reduce noise and interference in the signals
What is the purpose of the 60 Hz notch filter in PSG?
To eliminate ECG artifact
Which sleep disorder is characterized by involuntary movements during sleep?
Parasomnias
What type of AV block is characterized by a progressive heart block?
Second-degree AV block, Type I
In PSG, what can cause cardioballistic artifact?
Cardiogenic oscillations
What clinical condition is associated with Ventricular Fibrillation?
Ventricular tachycardia
Which manual replaced the R&K Manual for scoring sleep studies?
AASM scoring manual
Test your knowledge on the importance of EOG polarity in recognizing REM sleep, identifying conditions that require immediate emergency response, calculating a patient's Apnea Hypopnea Index, and correcting artifacts in sleep studies.
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