TY - CHAP M1 - Book, Section TI - Type 1 Second-Degree AV Block (Mobitz I, Wenckebach) A1 - Huis in ‘t Veld, Maite A. A1 - Mattu, Amal A1 - Thurman, R. Jason A2 - Knoop, Kevin J. A2 - Stack, Lawrence B. A2 - Storrow, Alan B. A2 - Thurman, R. Jason Y1 - 2021 N1 - T2 - The Atlas of Emergency Medicine, 5e AB - Progressive PR-interval prolongation throughout the cardiac cycle until a P wave occurs without a QRS complex (“dropped” beat).After the dropped QRS complex, the cycle continues again with the PR interval of the 1st beat in the cycle always shorter than the PR interval of the last beat in the previous cycle.P wave may be hidden by the preceding T wave. SN - PB - McGraw-Hill CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=1181052353 ER -