The tachycardia terminated with 6mg Adenosine. What does the post cardioversion EKG suggest?
EKG shows sinus rhythm with normal axis, Short PR interval with slurring of PR segment(delta waves) in LI, V4-6 Suggest pre-excitation likely WPW Pre-excitation pattern with documented SVT = WPW syndrome Algorithms like Arruda, Milstein, SMART-WPW, EASY-WPW help in localisation of bypass tract.
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