Why the study?
Do subthreshold stimuli from pacemakers produce ventricular excitation during the supernormal phase of conduction in the human heart?
Population
Humans with subthreshold pacemakers
Design
Other
Authors
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No immediate changes to pacemaker programming; supports supernormal phase existence but remains hypothesis-generating.
Do subthreshold stimuli from pacemakers produce ventricular excitation during the supernormal phase of conduction in the human heart?
Subthreshold pacemakers can demonstrate the supernormal phase of conduction in the human heart, confirming its existence.
Hernández-Pieretti et al. (1969) studied this question.
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