Cyclical sinus bradycardia and atrioventricular block induced by ticagrelor Victor Waldmann, MD, MPH, Mikael Laredo, MD, Anil Nigam, MD, MSc, Paul Khairy,

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Cyclical sinus bradycardia and atrioventricular block induced by ticagrelor Victor Waldmann, MD, MPH, Mikael Laredo, MD, Anil Nigam, MD, MSc, Paul Khairy, MD, PhD HeartRhythm Case Reports Volume 4, Issue 11, Pages 527-529 (November 2018) DOI: 10.1016/j.hrcr.2018.07.017 Copyright © 2018 Heart Rhythm Society Terms and Conditions

Figure 1 Cheyne-Stokes respiration with cyclical sinus bradycardia and atrioventricular (AV) block. Shown are electrocardiographic tracings from telemetry leads II and V along with the corresponding respiratory rate (RR). In the upper panel, sinus tachycardia is seen as the respiratory rate slows toward apnea. As respiration resumes and progresses toward hyperpnea, AV block follows in the lower panel, with nonconducted P waves indicated by the arrows. HeartRhythm Case Reports 2018 4, 527-529DOI: (10.1016/j.hrcr.2018.07.017) Copyright © 2018 Heart Rhythm Society Terms and Conditions