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TitleOptimizing electrode positioning in 3-lead ECG chest devices
Author(s)Simões, Ricardo
Sousa, Joana
Silva, Cristina Nogueira
Gamboa, Hugo
Issue dateFeb-2012
Abstract(s)Although the 12-lead electrocardiogram has become an essential medical and research tool, many current and envisaged applications would ben- efit from simpler devices, using 3-lead ECG configuration. This is particularly true for Ambient Assisted Living (in a broad perspective). However, the chest anatomy of female patients, namely during pregnancy, can hamper the adequate placement of a 3-lead ECG device and, very often, electrodes are placed below the chest rather than at the precise thoracic landmarks. Thus, the aim of this study was to compare the effect of electrode positioning on the ECG signal of pregnant women and provide guidelines for device development. The effect of breast tissue on the ECG signal was investigated by relating breast size with the signal-to-noise ratio, root mean square and R-wave amplitude. Results show that the 3-lead ECG should be placed on the breast rather than under the breast and indicate positive correlation between breast size and signal-to-noise ratio.
TypeConference paper
AccessRestricted access (UMinho)
Appears in Collections:IPC - Textos completos em actas de encontros científicos internacionais com arbitragem

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