How do cellphones calculate heart rate?

Let’s learn how do cellphones calculate heart rate. The most accurate or helpful solution is served by Quora.

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How do cellphones calculate heart rate?

I understand that the camera in the phones try count the undulations in the blood flow per unit time, but is the mechanism same as the one used in professional infrared based SpO2 monitors ?

Answer:

If you are asking about heartbeat monitoring apps that use the camera an flash led to detect pulses...

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Other solutions

How can I calculate this average heart rate?? Help?

Tasha checked her pulse three times in one day. Her first pulse rate was 75pm (beats per minute). The second rate was 68bpm. The third was 80bpm. What is Tasha's average heart rate? How can I calculate this?? I'm confused

Answer:

add all 3 together and divide by 3. But its really not accurate as heart beat like blood pressure is...

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How do i calculate the heart rate in ventricular Bigeminy?

When I calculate the heart rate in the heart rhythm Ventricular Bigeminy, do I count the PVC(premature ventricular contraction)

Answer:

Yes.

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How do you calculate heart rate?

how do you calculate heart rate when you are told that the individual has 62.9 BPM and you are given an electrocardiogram when they are at rest.( this is for a level biology!) help much appreciated ^-^ !x

Answer:

You don't need to calculate anything. You've already been told their heart is beating at 62.9 beats...

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How do you calculate your heart rate BPM?

What is the right way to calculate your heart rate????? Please somebody explain this to me? Thanks!

Answer:

Count for 30 sec multiply by two.

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K7XQP7M5RZXEQTS6VTL7DJMLOQ at Yahoo! Answers Mark as irrelevant Undo

How do I calculate my top heart rate?

When running, how do I calculate my top heart rate? Also, why does it matter?

Answer:

There are a bunch of different formulas by different clinics and experts, but here's the basic one....

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What is the best way for a female to calculate their maximum heart rate?

I was previously using the formula 220-age then I came across an article that said that newer research says for a female the best way to calculate it would be 202 - ( .88 x age). What do you use?

Answer:

The percent variable depends upon age and goal. For a girl, 200 minus age times the variable, which...

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Help find my heart rate?

QUESTION: Calculate your individual Target Heart Rate zone and show your work. (You will learn about heart rates and how to calculate your Target Heart Rate zone . Resting Heart Rate: Age: 17 
THR zone: to beats per minute

Answer:

Use this calculator to find your target heart rate zone and learn how to monitor exercise intensity...

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katy at Yahoo! Answers Mark as irrelevant Undo

Answer:

Check your pulse at the wrist and count how many heartbeats there are in 15 seconds, then multiply by...

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Anonymous at ChaCha Mark as irrelevant Undo

How High is Too High for a Heart Rate during Exercise?

I am 26 Years Old and 130 pounds at 5'6". I started Running not too long ago but I do go to the Gym a lot. I walk uphill and Box as well. I exercise 3-5 times a week and just bought a Heart Rate Monitor to calculate Calories. On the Tredmill I know...

Answer:

It can't ever be too high during exercise. Good for you eating salt and ignoring the Witchdoctor!! I...

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