McGill Case 286

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This case report is kindly provided by Michael Rosengarten from McGill and is part of the McGill Cases. These cases come from the McGill EKG World Encyclopedia.

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These are two 12 lead electrocardiograms from the same person taken one after another. The leads have been misplaced on the bottom recording This is one of the lead reversals that causes surprisingly few QRS changes. The left arm and the left leg lead have been reversed.