Q: What are the causes of slurring at the base of the R wave?
Today's expert is Dr. Jerry W. Jones, MD
Dr Jones is known for his Master Classes in Advanced ECG Interpretation, through his company, Medicus of Houston, as well as his published texts, Getting Acquainted With Wide Complex Tachycardias, Getting Acquainted With Laddergrams, and Getting Acquainted With Ischemia and Infarction. His books are available on Amazon.com and on BarnesAndNoble.com. Dr. Jones provides a wealth of free, high-quality ECG instruction on his webpage, and offers tutoring via Zoom. He is a sought-after instructor who is well-known for his celebrated ability to explain complex concepts so that they become understandable and manageable.
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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.