Understanding Accessory Pathway-Mediated Tachycardias
Understanding Accessory Pathway-Mediated Tachycardias
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This overview covers the foundations of accessory pathway reentry, detailing the anatomic circuit and its electrophysiologic characteristics. It explores the initiation of atrioventricular reentrant tachycardia (AVRT), including the roles of premature beats and the differences between orthodromic and antidromic forms. Additionally, it emphasizes precision in ECG diagnosis, highlighting key criteria, aberrancy, and differential diagnosis techniques, including vagal testing.