RT Book, Section A1 Ritchie, James V. A1 Juliano, Michael L. A1 Thurman, R. Jason A2 Knoop, Kevin J. A2 Stack, Lawrence B. A2 Storrow, Alan B. A2 Thurman, R. Jason SR Print(0) ID 1127924302 T1 ECG ABNORMALITIES T2 The Atlas of Emergency Medicine, 4e YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9780071797252 LK accessmedicine.mhmedical.com/content.aspx?aid=1127924302 RD 2024/03/28 AB Second-Degree AV Block (Mobitz I, Wenckebach). The PR interval gradually increases until a P wave is not followed by a QRS and a beat is “dropped.” The process then recurs. P waves occur at regular intervals, though they may be hidden by T waves. (ECG contributor: James Paul Brewer, MD.)Graphic Jump LocationView Full Size||Download Slide (.ppt)