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McGill Case 4: Difference between revisions
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(Created page with "{{McGillcase| |previouspage= McGill Case 1 |previousname= McGill Case 1 |nextpage= McGill Case 3 |nextname= McGill Case 3 }} [[File:E000582.jpg|thumb|600px|left|A patient wit...") |
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[[File: | [[File:E000704.jpg|thumb|600px|left|This cardiogram shows sinus rhythm with a normal pr interval and a prolonged QRS interval (>120ms). There is a conduction abnormality best described as a right bundle branch block due to the rsR' wave in V1. Note the S wave in V6 which is due to the RBBB is smaller than the R wave in V6. The axis of the QRS is difficult to determine, but one usually looks at the first 60 ms. (1 1/2 small squares) to determine the axis with a RBBB. If the axis of the first 60 ms. of the QRS is more than 90 degrees and there is an rS in lead I and a Q in lead III then on would consider a left posterior fasicular block. This is not the case here.]] | ||