ECG recording sites for improving signal-to-noise ratio during atrial depolarisation

A Kennedy, D Finlay, D Guldenring, JAD McLaughlin

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)


The objective of this study was to identify optimal recording sites for a bipolar ECG lead that would improve signal-to-noise ratio during atrial depolarisation. Body surface potential map (BSPM) data, recorded using the Dalhousie 120-lead system and transformed into 352-node BSPMs, were used for the study. The absolute median for every sample of a subject's p-wave was calculated across all 352-nodes to determine the point in time where the greatest p-wave amplitude occurred. Normalised p-wave values at this point in time were then extracted across all 352-nodes for each subject. The median of the potentials on each node across all 45 subjects was then calculated to establish a median BSPM from which an optimal ECG lead could be identified. The p-wave amplitudes recorded in this population based optimal ECG lead achieved a median of 83.53% of each subject's attainable maximum attainable p-wave amplitude. In comparison standard Lead II achieved a median of 71.53%.
Original languageEnglish
Title of host publicationUnknown Host Publication
Number of pages4
ISBN (Print)978-1-4799-4346-3
Publication statusPublished (in print/issue) - 2014
EventComputing in Cardiology Conference (CinC), 2014 - Cambridge, MA
Duration: 1 Jan 2014 → …


ConferenceComputing in Cardiology Conference (CinC), 2014
Period1/01/14 → …


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