Questions tagged [ecg]

An electrocardiogram (EKG or ECG) is a test of the characteristic electrical activity of your heart.

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Does anyone have advice on homemade EKG/ECG leads?

I'm not sure this is where it should be posted, so apologies in advance, but I'm working with an Arduino and Sparkfun's heart rate monitor AD8232 (https://www.sparkfun.com/products/12650) to gather ...
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163 views

ECG signal amplification

I am developing a project for ECG detection using PVDF (Piezo Film) sensor. I have already managed to detect my heart rate but since the sensor used produces voltage corresponding to vibrations, ...
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1answer
128 views

Working principle of the AD8232 high pass filter

This is the datasheet of the AD8232. On page 22 in the section "Additional High-Pass Filtering Options" is this diagram: It is said that the cut off frequency is located at I tried to find out ...
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Improve a ECG I am using an instrumentation amplifier

I am doing an EMG as a part of my senior design project. I am currently using an Instrumentation amplifier but my professor suggested using a driven right-leg circuit. I was wondering how using a ...
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360 views

ECG Signal Measurement using Plessey PS25201

The above said sensor measures the change in the electric field. Data sheet link : Click here When I measure the output from the sensors directly on the CRO with finger placed on the sensor; the ...
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1answer
67 views

ECG / EEG Amplifier design tricks

First of all, sorry, I missed the links / images where I have found the solutions mentioned below (I hope, if you are familiar with this topic, you know them): I have to design an ECG / EEG analog ...
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83 views

Whenever two system or sources are coupled they should have same current sink or common reference point (say ground). How to realize this in ECG?

Electrode (Ag-AgCl) are placed at different part and directly fed to positive and negative input of differential amplifier. How can we realize human body and amplifying system have same current sink ...
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36 views

Connecting TVS diodes to a floating shield

I need a little help with shielding for ECG leads. The design I'm working on has 3 leads, about 60mm in length. We use shielded cable for each lead, which all come to a meeting point at the ...
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100 views

Working Principle of AD8232 Instrumentation Amplifier

Before begin asking, here the datasheet for the IC https://www.analog.com/media/en/technical-documentation/data-sheets/AD8232.pdf At page 16 under Theory of Operation Section What I failed to ...
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79 views

Combining ECG and EDA (skin conductance) in the same chest electrodes. Possible and how could it be done?

Currently I'm designing a wearable, battery powered module that combines several sensors into a single device. In this device are modules for both ECG measurement (heart beat) and EDA (skin ...
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46 views

Testing the integrity of cable shielding for suitability

I am currently working with an ECG cable, is there a way for me to test the integrity of the shielding of the cable without using it directly on an ECG monitor to check for interference.