Evaluation of suspected obstructive sleep apnea in a patient with snoring and possible apnea. This polysomnogram was performed entirely for diagnostic purposes, and there was no therapeutic intervention. Parameters monitored included EEG, EOG, EMG, EKG, airflow, respiratory effort, oximetry, and snoring.
The patient showed a delayed sleep onset at approximately 107.8 minutes, and a delayed REM latency of approximately 258.0 minutes. Mild sleep fragmentation was noted. There was no evidence of leg kicking. Sleep efficiency was reduced.
Mild snoring was heard. The patient had rare obstructive apneas and hypopneas, which were associated with arousals and oxygen desaturation to a nadir of approximately 89%. The apnea-hypopnea index (AHI)=3.1, which is normal.
Single lead EKG tracing showed normal sinus rhythm.
1) There is no evidence of Obstructive Sleep Apnea (ICSD 780.53-0) or periodic Limb Movements.
2) Depression is being treated, which may explain the delay in REM onset.
3) If insomnia is present as a sleep complaint, then sleep hygiene measures should be discussed with the patient.
1) Follow-up will be with Dr. and also his PCP.
Data here
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