AV Pacemaker: No Ventricular Lead
Report:
Atrial pacemaker rhythm 59/min 2
Right bundle branch block 2
AV interval 0.31” ?no ventricular lead 4
Q waves in 1, aVL, V5-6 – possible old anterolateral infarction 2
Comment:
The diagnosis is suggested by the unusually long AV interval, although, at times, similar intervals are deliberately programmed – See Case 3662. This patient’s ventricular lead retained normal impedance and could not be faulted except for very high threshold; it was changed.
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