Revision as of 21:38, 19 February 2012 by DarrelC(talk | contribs)(Created page with "{{McGillcase| |previouspage= McGill Case 274 |previousname= McGill Case 274 |nextpage= McGill Case 276 |nextname= McGill Case 276 }} [[File:E275.jpg|thumb|600px|left|This is ...")
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.
This is a ladder diagram and surface tracing from a patient with a dual chamber pacemaker. The pacer is pacing the atrium (star) and sensing the ventricle. Note the refractory periods (boxes) of the atrium the ventricle and the post ventricular atrial refractory period.