Recording Artifacts and Solving Technical Problems with Polysomnography Technology James D. Geyer, MD Paul R. Carney, MD Artifacts in Polysomnography Recordings Loose Electrode Description: High-frequency noise superimposed on high-amplitude slow…
Technical Background James D. Geyer, MD Paul R. Carney, MD Introduction Polysomnography is the recording of multiple physiologic functions during sleep. Standard polysomnography usually includes the following variables: Electroencephalogram (EEG)…
Home Sleep Apnea Monitoring James D. Geyer, MD Paul R. Carney, MD FIGURE 12-1 HSAT: Standard montage; 30 second page. Clinical: 36-year-old overweight man with daytime sleepiness. Respiratory: Normal respirations…
Actigraphy James D. Geyer, MD Paul R. Carney, MD FIGURE 11-1 Actigraphy in a normal subject. Related posts: Limb Movement Disorders Breathing Disorders Parasomnias Calibrations Home Sleep Apnea Monitoring Technical…
Calibrations James D. Geyer, MD Paul R. Carney, MD FIGURE 10-1 Machine calibrations. FIGURE 10-2 Breath hold. FIGURE 10-3 Grit teeth. Related posts: Limb Movement Disorders Breathing Disorders Parasomnias Actigraphy…
EEG Abnormalities James D. Geyer, MD Paul R. Carney, MD FIGURE 7-1 Polysomnogram: Standard montage with intrathoracic pressure monitoring (prior display montage); 30 second page. Clinical: 29-year-old woman with complex…
Parasomnias James D. Geyer, MD Paul R. Carney, MD FIGURE 6-1 Polysomnogram: Expanded EEG montage (prior display montage); 30 second page. Clinical: 41-year-old man with witnessed apneas and tooth grinding….
Breathing Disorders James D. Geyer, MD Paul R. Carney, MD FIGURE 4-1 Strip chart: Position chart and pulse oximetry. Clinical: 46-year-old obese man with severe obstructive sleep apnea. Pulse oximetry:…
