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ECG Basics: Sinus Pause / Sinus Arrest
This example of sinus arrest, also called sinus pause, shows a spontaneous return to sinus rhythm. There are many mechanisms by which pauses can occur on the ECG. One concept for beginner students to...
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Circumflex Occlusion with Posterior-lateral M.I.
This ECG was obtained from a woman with chest pain who was taken to the cath lab and found to have a 100% occlusion of her circumflex artery. There are obvious ST segment elevations in Leads I and...
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Incorrect Machine Interpretation
This ECG is presented as an example of INCORRECT MACHINE INTERPRETATION. While there are many abnormalities in this ECG, it does not represent a paced rhythm. While there are exceptions, most paced...
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Ask The Expert
Today’s expert is Dr. Jerry W. Jones, MD, FACEP, FAAEMJerry W. Jones, MD FACEP FAAEM is a diplomate of the American Board of Emergency Medicine who has practiced internal medicine and emergency...
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Anterior-lateral M.I. With Wide QRS
The Patient: An elderly man presents with chest pain, pallor, diaphoresis and weakness.The ECG: The rhythm is normal sinus at a rate of about 76 bpm with normal intervals. The QRS complexes are...
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