Case Report
Pacemaker interrogation showing virtually no ventricular pacing in a ventricular pacing dependent patient: what is the explanation?
1Departments of Electrophysiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran-Iran
2Departments of Cardiovascular Research, Tehran Heart Center, Tehran University of Medical Sciences, Tehran-Iran
2Departments of Cardiovascular Research, Tehran Heart Center, Tehran University of Medical Sciences, Tehran-Iran