Soumyajyoti Maji, Trinity College Dublin ABSTRACT: Currently, gel-less electrodes are primarily employed in heart-rate monitors used largely in the field of sports and athletics. These devices only measure and display the value of the wearer’s heart-rate on a beat-to-beat basis. This information is largely used in an athletic training capacity rather than any clinical role. While these devices detect the ECG signal they do not preserve the morphology or profile of the signal which carries the clinical information on the…
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ABSTRACT It is important to recognize that high fidelity in the reproduction of the ECG waveform requires a measurement system that preserves the ECG features and provides amplification selective to the physiological signal while rejecting external interference and noise. The most obvious implication is that the presence of a frequency-dependent skin-electrode interface introduces distortion to the signal in its propagation from its source to the input of the recording amplifier, which may lead to misdiagnosis of serious cardiac conditions unless…