1. Volume 8, Issue 5, Pages 657-662 (May 2011)
Circadian pattern of life-threatening ventricular arrhythmia in patients with sleep- disordered breathing and implantable cardioverter-defibrillators 
Tawfiq Zeidan-Shwiri, MD, Doron Aronson, MD, Khalid Atalla, Miry Blich, MD, Mahmoud Suleiman, MD, Ibrahim Marai, MD, Lior Gepstein, MD, PhD, Lena Lavie, PhD, Peretz Lavie, PhD, Monther Boulos, MD 
Heart Rhythm 
Volume 8, Issue 5, Pages (May 2011)
DOI: /j.hrthm
Copyright © 2011 Heart Rhythm Society Terms and Conditions

2. Figure 1
Ventricular arrhythmias in patients with (right) and those without (left) sleep-disordered breathing according to the time of day. Error bars represent mean and 95% confidence interval. Each circle represents the number of events in one patient. AHI = apnea-hypopnea index.
Heart Rhythm 2011 8, DOI: ( /j.hrthm )
Copyright © 2011 Heart Rhythm Society Terms and Conditions

3. Figure 2
Receiver operating characteristic curves for the performance of apnea-hypopnea index (AHI) in the prediction of appropriate implantable cardioverter-defibrillator (ICD) therapy during nighttime.
Heart Rhythm 2011 8, DOI: ( /j.hrthm )
Copyright © 2011 Heart Rhythm Society Terms and Conditions