Interesting pacemaker strip...
~~Patient was implanted with a dual chamber Medtronic pacemaker because of AV-block after RF ablation for AVNRT.
During device interrogation with testing we see this EGM.
What's going on on this strip? ECG is not connected (noise), EGM is the ventricular channel.
If you know the answer, perhaps you can also answer this question: is the patient at risk for PMTs?