Device Diagnosis of Pacemaker‐Mediated Tachycardia: True or False?

Unusual Manifestation of Upper Rate Limitation in a Dual‐Chamber ICD

“…However, rare cases of sinus tachycardia have been reported to activate the PMT termination algorithm. 2,3 Figures 2A and B show a PMT in a patient with a St. Jude Promote implantable cardioverterdefibrillator (ICD). 1 At the time of follow-up, stored data revealed a PMT that was terminated automatically by the PMT-terminating algorithm but the test AV delay lengthened by about 50 ms.…”