Miscellaneous ECG Quiz 29 Answer

1. Normal sinus rhythm
2. Wolff-Parkinson-White Type B with inferior pseudoinfarction pattern
3. Left axis deviation

This WPW ECG shows the typical "pseudoinfarction" pattern with large inferior Q waves present. When WPW is seen on an ECG, all chamber hypertrophies, enlargements and determinations of ischemia (including old infarctions) are not able to be accurately diagnosed in most instances.

Related Topic Reviews: WPW ECG Review, Dermining Axis