This is a good example of acute anterior wall M.I., with ST elevation in V1 through V6, as well as in Leads I and aVL. The extensive distribution of ST segment elevations across the anterior and high lateral walls indicates a proximal LAD artery occlusion. In addition, this ECG shows right bundle branch block, with a QRS width of 144 ms (.14 sec.) and an rsR' pattern in V1. There is also a wide s wave in Lead I which is partly obscurred in V6 by the ST elevation. The right axis deviation (98 degrees) suggests a left posterior fascicular block which, when coupled with the RBBB, is a bi-fascicular block. P waves are difficult to see. Do you think they are found at the end of the QRS complexes, representing a long first-degree AVB? Look at leads V3 through V6 for clues.
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A good ECG to teach your students that a patient facing a life-threatening emergency may have a "normal" rate and regular rhythm. There is something in this ECG for beginners through advanced students.