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SIGNALS AFFECTING ECG :

SIGNALS AFFECTING ECG BY MEGHASHREE Y.M 1BM15ML012 SADIA KAUSER 1BM15ML018

introduction:

introduction The electrocardiogram (ECG or EKG) is a diagnostic tool that is routinely used to assess the electrical and muscular functions of the heart

Problem:

Problem The main problem affecting the ECG are unwanted signals of electrode contact , movement of muscles in chest wall and power line interference

Solution to reduce power-line interference:

Solution to reduce power-line interference Notch filter at 60 hz Comb filter Sample rate=nx60Hz

Solution to reduce emg signals:

Solution to reduce emg signals High pass filter with cut off frequency at 10,30 & 60Hz

Solution to reduce electrode contact noise:

Solution to reduce electrode contact noise Typically <.5Hz signals(except for the abrupt shifts due to motion) High pass filtering with cut-off frequency at -0.5Hz,realized in hardware or software

Business plan:

Business plan

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