Look at the recorded EGM labeled PMT (pacemaker-mediated tachycardia). What is the diagnosis?

Now change the sweep-speed to 50 mm/s and go to the end of the tachycardia.

The pacemaker confirms it is indeed a PMT by

The AS-AS cycle is 490 ms and the AS-VP delay is 195 ms.

We can now calculate the retrograde VA conduction time (VP-AS), it is

Now go to Parameters and program the most suitable option to avoid future PMTs.

When you have selected the correct programming options, you will acquire a 4-digit code which you can enter below.