TY - CHAP M1 - Book, Section TI - Wide Complex Tachycardia A1 - Zimmerman, Franklin H. PY - 2023 T2 - ECG Core Curriculum AB - Wide complex tachycardia (WCT) is defined as a rhythm with a QRS duration ≥0.12 seconds and a rate >100 bpm. The term is deliberately imprecise, using a general description rather than specific identification of a ventricular or supraventricular origin. WCT poses a unique challenge in electrocardiography, and determining the exact diagnosis often proves difficult and is sometimes impossible. Up until now, we have interpreted the ECG using well-defined criteria. WCT requires a different approach. Here we use ECG clues that help you predict, but not guarantee the likely diagnosis. SN - PB - McGraw Hill Education CY - New York, NY Y2 - 2024/10/13 UR - accesscardiology.mhmedical.com/content.aspx?aid=1200101435 ER -