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== Summary == | |||
{{Information | |||
|Description = This is an EKG rhythm from a patient with a Medtronic model 8081 Premier single chamber pacemaker. | |||
The patient is a 65 year old man who had a history of blackouts while sitting. | |||
During the episodes his wife described him as becoming limp and white. | |||
His electrocardiogram showed a left bundle branch block with a normal pr interval. This conduction abnormality had been present for at least 16 years. | |||
An electrophsiology test was performed and a pacemaker inserted. | |||
What is the native rhythm? | |||
Is the pacer working well ( in particular what do you think of the spike on the second QRS)? | |||
|Category = [[Case_reports_from_Michael_Rosengarten|Case reports by Michael Rosengarten]] | |||
|Source = EKG World Encyclopedia http://cme.med.mcgill.ca/php/index.php , courtesy of Michael Rosengarten BEng, MD.McGill | |||
|Date = 2012 | |||
|Author = Michael Rosengarten BEng, MD.McGill | |||
|Permission = {{by-nc-sa-3.0}} | |||
|other_versions = None | |||
}} | |||