RT Book, Section A1 Bashore, Thomas M. A1 Granger, Christopher B. A1 Jackson, Kevin P. A1 Patel, Manesh R. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. SR Print(0) ID 1175810099 T1 Sinus Arrhythmia, Bradycardia, & Tachycardia T2 Current Medical Diagnosis & Treatment 2021 YR 2021 FD 2021 PB McGraw-Hill Education PP New York, NY SN 9781260469868 LK accessmedicine.mhmedical.com/content.aspx?aid=1175810099 RD 2021/02/26 AB Key Clinical Updates in Sinus Arrhythmia, Bradycardia, & TachycardiaIn patients without evidence of atrioventricular nodal or bundle branch conduction abnormality, a single chamber atrial pacemaker is reasonable.