WPW Syndrome - Left sided Accessory pathway

 


This ECG is showing typical example of WPW Pattern with Left sided Pathway

Look at lead 1  and  V1 for   delta wave and R/S ratio .After Identifying delta wave look for the polarity of delta wave .If there is iso-electric or negative delta it immediately fixes the pathway in left free wall . Similarly if V1 R >  S it also fixes in left free wall.

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