Dr. Jones’s ECG Blog

Blog for advanced ECG interpretation

January 8, 2019

The Gouaux – Ashman Phenomenon

What we refer to nowadays as the “Ashman Phenomenon” is really the “Gouaux-Ashman Phenomenon.” It was first elaborated by Drs. Gouaux and Ashman of New Orleans, […]
December 24, 2018

Measuring the Amplitude of an ECG Deflection

I was recently asked a question regarding the amplitude of a deflection on an ECG - more specifically, the question was about how to determine the […]
November 29, 2018

Determining the QRS Vector – Advanced

                                 You’ve probably always heard the phrase “mean QRS axis” and if […]
November 29, 2018

Frontal Plane Axis Shortcuts

When we speak of axes and vectors, we are usually referring to the mean QRS axis in the frontal plane – much more so than in […]
October 13, 2018

More About Rabbit Ears and RBBB

Since my last post on “Rabbit Ears” and right bundle branch block went viral I decided to write even more about “rabbit ears” and right bundle […]
June 16, 2018

The Lowly First Degree AV Block

Just like the late stand-up comedian, Rodney Dangerfield, first degree AV block just doesn’t get any respect! It’s one of the first phenomena learned in introductory […]
May 22, 2018

Anteroseptal vs. Anteroapical – What’s the Diff?

The most common form of myocardial infarction caused by an acute occlusion of the LAD is an anteroseptal MI (nowadays we should really be saying anteroapical) […]
April 29, 2018

Parasystole for Basic to Intermediate Level Electrocardiographers

Parasystole often gets a bad rap. After spending too much time trying to decipher a complex dysrhythmia, you finally succeed only to realize that it is […]
April 25, 2018

Complimentary Laddergram Strips

Too often laddergrams are hastily drawn on scraps of paper, backs of business cards or envelopes or whatever else may be within reach. During our classes […]
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