Benign Cysts and Selected Developmental Anomalies Benign Endodermal Cysts (Rathke Cleft, Colloid, Enterogenous, Neurenteric, and Neuroepithelial Cysts) General Endodermal cysts are benign developmental lesions that contain epithelia resembling those derived…
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.
Calibrations James D. Geyer, MD Paul R. Carney, MD FIGURE 10-1 Machine calibrations. FIGURE 10-2 Breath hold. FIGURE 10-3 Grit teeth.
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….
