McGill Case 3: Difference between revisions
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{{McGillcase| | {{McGillcase| | ||
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|previousname= McGill Case | |previousname= McGill Case 2 | ||
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|nextname= McGill Case | |nextname= McGill Case 4 | ||
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[[File: | [[File:E000703.jpg|thumb|600px|left|Intraventicular Conduction Defect | ||
comment: | |||
The ECG is in sinus rhythm and the QRS is markedly widened with a QRS duration of 260ms. The QRS seems split and gives the impression of ventricular bigemini but note that the second QRS deflection that looks like a PVC is in fact 200 ms after the onset of the first part of the QRS and hence too early for a PVC. Of interest this patient has recurrent ventricular tachycardia which may relate to his grossly widened QRS. | |||
The progression of the block can be seen over a three year period. | |||
comment from the web: | |||
When presented as a puzzler the correct interpretation of this ECG was not received, only suggestions of ventricular bigemini where given. | |||
]] | |||
Latest revision as of 05:06, 10 February 2012
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Intraventicular Conduction Defect comment: The ECG is in sinus rhythm and the QRS is markedly widened with a QRS duration of 260ms. The QRS seems split and gives the impression of ventricular bigemini but note that the second QRS deflection that looks like a PVC is in fact 200 ms after the onset of the first part of the QRS and hence too early for a PVC. Of interest this patient has recurrent ventricular tachycardia which may relate to his grossly widened QRS. The progression of the block can be seen over a three year period. comment from the web: When presented as a puzzler the correct interpretation of this ECG was not received, only suggestions of ventricular bigemini where given.