Key result
A patient with a DDD pacemaker showed an asymmetrical response during exercise, with 1:1 pacing until atrial rate exceeded 140 ppm and sensing restored when sinus rhythm decreased to 105 beats/min.
Population
1 patient with a DDD pacemaker and intermittent intact AV conduction
Design
Case_report
Authors
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Alerts clinicians to potential asymmetrical upper-rate behavior in DDD devices during exercise; hypothesis-generating for mechanisms in intermittent AV conduction.
Case Report (n=1)
This case report highlights an asymmetrical pacemaker response during exercise in a patient with a DDD pacemaker and intermittent intact AV conduction.
Gelder et al. (1992) conducted a case report in DDD pacemaker with intermittent intact AV conduction (n=1). Bicycle exercise test was evaluated on Pacemaker response during exercise and recovery. A patient with a DDD pacemaker showed an asymmetrical response during exercise, with 1:1 pacing until atrial rate exceeded 140 ppm and sensing restored when sinus rhythm decreased to 105 beats/min.
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