TY - CHAP M1 - Book, Section TI - Atrial Fibrillation A1 - Hsu, Jonathan A1 - Scheinman, Melvin M. A2 - Crawford, Michael H. PY - 2023 T2 - Current Diagnosis & Treatment: Cardiology, 6e AB - ESSENTIALS OF DIAGNOSISAbsence of discrete P waves on the electrocardiogram.Irregularly irregular ventricular rhythm. SN - PB - McGraw Hill Education CY - New York, NY Y2 - 2024/10/10 UR - accesscardiology.mhmedical.com/content.aspx?aid=1198112241 ER -