EKG
James D. Geyer, MD
Paul R. Carney, MD
 FIGURE 9-1 Polysomnogram: CPAP montage (prior display montage); 30 second page. Clinical: 56-year-old man with snoring and excessive daytime sleepiness. Staging: Stage 2 sleep. Respiratory: Intermittent snoring. EKG: Frequent premature ventricular complexes (PVCs) with couplets (*). |
 FIGURE 9-2 Polysomnogram: Standard montage (prior display montage); 30 second page. Clinical: 48-year-old woman with intermittent snoring and witnessed apneas. Staging: Stage 1 sleep. Respiratory: Normal respirations. EKG: Narrow premature complexes (*) without definite P waves. |
 FIGURE 9-3 Polysomnogram: Standard montage (prior display montage); 10 second page. Clinical: 48-year-old woman with intermittent snoring and witnessed apneas. Staging: Stage 1 sleep. Respiratory: Normal respirations. EKG: Narrow premature complexes (*) without definite P waves. |
 FIGURE 9-4 Polysomnogram: Standard montage (prior display montage); 30 second page. Clinical: 27-year-old man with obstructive sleep apnea. Staging: Stage 2 sleep. Respiratory: Apnea followed by an arousal, snoring, and an oxygen desaturation. EKG: Ventricular bigeminy. |
 FIGURE 9-5 Polysomnogram: CPAP montage (prior display montage); 30 second page. Clinical: 31-year-old man with obstructive sleep apnea. Staging: Stage 2 sleep. Respiratory: Normal respirations. EKG: Ventricular trigeminy. |
 FIGURE 9-6 Polysomnogram: CPAP montage (prior display montage); 30 second page. Clinical: 71-year-old man with obstructive sleep apnea. Staging: Stage 2 sleep. Respiratory: Normal respirations. EKG: Ventricular quintigeminy. |
 FIGURE 9-7 Polysomnogram: CPAP montage (prior display montage); 60 second page. Clinical: 69-year-old man with obstructive sleep apnea and atrial fibrillation. Staging: Stage 2 sleep. Respiratory: Mild variations in respiratory effort. EKG: Atrial fibrillation. |
 FIGURE 9-8 Polysomnogram: Standard montage (prior display montage); 30 second page. Clinical: 52-year-old man with excessive daytime sleepiness and intermittent atrial fibrillation. Staging: Stage REM sleep. EKG: Atrial fibrillation. |
 FIGURE 9-9 Polysomnogram: Standard montage (prior display montage); 30 second page. Clinical: 40-year-old woman with obstructive sleep apnea.
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