McGill Case 96: Difference between revisions

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[[File:E0007961.jpg|thumb|600px|left|This is a recording of ventricular tachycardia. The morphology is unusual but does have concordance in the precordial leads.
[[File:E0007961.jpg|thumb|600px|left|This cardiogram shows normal VVI pacemaker function. The patient's native EKG seems relatively normal. Of interest notice the "capture beats" where the narrow complexes that are conducted through the A/V node appear earlier than the paced beats but are narrow. This suggests that there is no retrograde conduction from the ventricle to the atrium as the sinus node seems unaffected by the ventricular pacing. This is some what similar to the case of patients with VT where capture beats are seen (very rarely)]]
The patient was on amiodarone that slowed the ventricular tachycardia. The rhythm was terminated by one shock from his internal defibrillator. His EKG in sinus rhythm was abnormal.]]
 
[[File:E0007962.jpg|thumb|600px|left|This is a recording from a 62 year old patient with a history of a previous myocardial infarction and a history of ventricular tachycardia.]]
 
[[File:E0007963.jpg|thumb|600px|left|This is a recording from the same 62 year old patient with a history of a previous myocardial infarction and a history of ventricular tachycardia.]]

Revision as of 01:30, 15 February 2012

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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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File:E0007961.jpg
This cardiogram shows normal VVI pacemaker function. The patient's native EKG seems relatively normal. Of interest notice the "capture beats" where the narrow complexes that are conducted through the A/V node appear earlier than the paced beats but are narrow. This suggests that there is no retrograde conduction from the ventricle to the atrium as the sinus node seems unaffected by the ventricular pacing. This is some what similar to the case of patients with VT where capture beats are seen (very rarely)
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