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Wolff-Parkinson-White syndrome

Wolff-Parkinson-White Syndrome

Tue, 10/20/2015 - 22:05 -- Dawn

Here is a good example of an ECG showing the signs of Wolff-Parkinson-White syndrome during normal sinus rhythm.  WPW is one of the “pre-excitation” syndromes caused by an accessory pathway between the atria and ventricles. Accessory pathways can bypass the AV node.  These conduction pathways can conduct anterograde (forward toward the ventricles), retrograde (away from the ventricles), most commonly, in both directions.  When the accessory pathway conducts in an anterograde fashion, it causes pre-excitation of the ventricles.

jer5150's picture

Jason's Blog: ECG Challenge of the Week for Dec. 16th - 23rd.

Found this "gem" buried deep-down in the back of the vault and have wanted to share it for many months.  Due to the impressive QRS voltage and overlapping waveforms, I initially debated on whether or not I should post this at 1/2-standard but in the end I decided to retain its original size.  This ECG is from 27 years ago so I have very limited information, but this is what I do know.

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