Why the study?
Does the use of bipolar or unipolar recording techniques allow for successful recording of sinoatrial node electrograms during cardiac surgery in humans?
Does the use of bipolar or unipolar recording techniques allow for successful recording of sinoatrial node electrograms during cardiac surgery in humans?
Extracellular SA nodal electrograms can be successfully recorded in humans during cardiac surgery using either bipolar or unipolar techniques, which may aid in SA node localization and functional assessment.
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May aid intraoperative SA node localization; hypothesis-generating, needs prospective validation before practice change.
Hariman et al. (1980) studied this question.
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