Fig 121.

Preoperative ECG on a 82 year old man with DDDR pacemaker and critical left main CA stenosis. The settings include rate 59/min, paced AV interval 0.20”, sensed AV interval 0.17” and no rate hysteresis.

Preoperative ECG on a 82 year old man with DDDR pacemaker and critical left main CA stenosis. The settings include rate 59/min, paced AV interval 0.20”, sensed AV interval 0.17” and no rate hysteresis.
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