Determining Average Heart Rate of ECG Signal

I have this ECG Signal. I am trying to determine the average heart rate. I do not know how to determine it . Maybe using flowing graph by refreshing it on every ms by this, signal may shift through right . Every method will be useful for me . The main issue is determining average heart rate .

Answer 1

[Star Strider]

Use the findpeaks function to detect the R-waves and the times they occurred. Then count the total number of R-waves, find the times of the first and last R-waves, and divide the number of R-waves by the difference between the first and last times. Convert to the rate units you want (beats/second, beats/minute, etc.) as necessary.

[Amrita Rana]

how to count the total no of R waves. Is there any function? Like in this case i have 16 peaks with 10 seconds of data. Thank you

[Star Strider]

Use findpeaks to identify the R-waves, then use numel(locs) or length(locs) (the locs output should be a vector) to find the number of R-waves in your record.

[Shakhawat Hossain]

how to find the times of the first and last R-waves, and divide the number of R-waves by the difference between the first and last times????

[Star Strider]

This is just basic indexing, and using the numel function.

Answer 2

[Image Analyst]

Another way (for this signal though maybe not all) is to use thresholding and sum() and diff().

aboveThresh = voltage > 100;
d = diff(aboveThresh); % Find rising edges
numPeaks = sum(d); % Count rising edges.

Then divide by the number of seconds in the overall signal to get the mean heart rate.

Answer 3

[shrouq]

How we can calculate the period, frequency and heart rate for ECG signal?