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Questions tagged [heart-rate]

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13 views

Standards for Electrocardiography and Photoplethysmography

Electrocardiography and Photoplethysmography are two techniques/devices that are commonly used to measure heart rate. My question is, clinically speaking, what are the standards these devices must ...
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170 views

Why is Ebrantil (Urapidil) not FDA approved?

Ebtrantil (Urapidil) is commonly used as an antihypertensive in Europe, also due to its additive interaction with other antihypertensives, and less likely to alter the heart rate compared to similar ...
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34 views

Normal Sleeping Heart Rate Range

I recently got a heart rate tracker and I've noticed that when I sleep my heart rate consistently spikes fairly high. It has reached 165 bpm before, but most times it's under 150. That seems a bit ...
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52 views

Big difference between waking and resting heart rate

I recently got an Apple Watch and am using the HeartWatch app. I'm concerned because my sedentary heart rate is pretty high - it's about 85 bpm with frequent spikes to 100, but my waking heart rate is ...
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34 views

Heart Rate Versus Respiratory Rate

There are times when my respiratory rate increases more than my heart rate. If running or cycling at a stead state (flat terrain, constant speed), heart rate and respiratory reach some steady state. ...
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1answer
2k views

Does a cold or flu typically affect resting heart rate?

Background I have had a Fitbit heart tracker for several months. Typically, it reports my resting heart rate around 60 bpm, with a standard deviation of 1-2 bpm. A month ago, I got some kind of ...
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25 views

given heart rate data over 1year with 1Hz time res, what can we learn?

I've been wearing my fitbit charge2 for a bit over a year, of course with small pauses for charging etc. The heart rate is measured with a 1Hz frequency and a resolution of 1. Now fitbit determines ...
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62 views

Reaching Maximum Heart Rate during PE

I’m 13, and during PE I regularly reach 200+ BPM right after I’m done with what they call our “fitness plan.” I can feel my heart racing, but I’m not lightheaded or anything. My heart rate goes down ...
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1answer
11 views

gauge R&R of time varying data: how to discriminate between equipment variation and actual signal variation?

I am trying to evaluate a measurement system suitability for some physiological parameters say heart rate. If I collect say 30 measurements of my heart rate, the standard deviation of the population ...
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0answers
126 views

How does the heart rate change during REM and non-REM stages?

I read different references and I understand that the average heart rate during sleep decreases by some beats per minute. The heart rate is slower in non-REM stage than REM but I found no measurements ...
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43 views

Low Resting Heart Rate but high bp

My resting heart rate is around 50 bpm but my blood pressure is around 122/78. Is this unhealthy?
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1answer
263 views

Suicide with no pain [closed]

How to suicide with no pain?My rights are to live but I never asked to come to this world and to face all this.I am not happy and I can't feel happy the only I really want is to die not think not pain,...
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50 views

Resting heart rate is 40

I'm not an athlete and definitely don't think I'm fit, I do exercise every now then. my RHR is about 40 and sometimes it goes as low as 38. I used to be able to run a 5k without stopping but I do feel ...
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1answer
135 views

How can blood pressure be high but my pulse low?

Someone whose blood pressure reads 188/134 with a pulse of 62. Read a few more times even after she woke up it stays in that area. Calm, not taking any drugs, normal weight, good health and not sick ...
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1answer
141 views

Trouble finding radial pulse in patients

I have just started doing volunteer work on an ambulance, but I had noticed that every time I had to check a patient's heart rate, I couldn't find the pulse and had to have someone else do it instead. ...
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2answers
571 views

Normal resting heart rate and how to measure it

There is somewhat conflicting information on what the "normal" resting heart rate should be. Some sites cite rates between 60 and 100 as being normal, with rates below 60 being defined as bradycardia, ...