RT Book, Section A1 Greene, Elizabeth A. A1 Van Hare, George A2 Stevenson, David K. A2 Cohen, Ronald S. A2 Sunshine, Philip SR Print(0) ID 1109792985 T1 Neonatal Arrhythmias T2 Neonatology: Clinical Practice and Procedures YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071763769 LK accesspediatrics.mhmedical.com/content.aspx?aid=1109792985 RD 2024/04/23 AB Arrhythmias, alterations in the heartbeat rhythm, are a common problem in the newborn period. Many are now diagnosed in utero. We consider the tachycardias (rapid heart rhythms) first, then the bradycardias (slowed heart rhythms).