Two Pacemakers, One Pacing

Report:

Sinus rhythm 1

Third degree AV block 1

Ventricular pacemaker rhythm 62/min 4

Failed dual pacemaker 59/min 4

Comment:

The two pacemakers and the sinus rhythm are completely dissociated from each other. There is no atrial or ventricular capture by the dual pacemaker and it has no effect on the temporary pacemaker actually pacing the ventricles.

Below is the same patient’s admission ECG, in 3o AVB, junctional escape rhythm 33/min and “empty” dual pacemaker spikes at 59/min.

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