Questions tagged [heart-rate]
The heart-rate tag has no usage guidance.
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How to determine the "argument" of the electrical axis of the ECG from aVF ＆ VI
This question is a continuation of the following question;
Is the definition of aVF consistent with Novosel’s formula?
Unfortunately, the article at the following URL is written in Japanese, but its ...
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Why do we use dihydropyridine calcium channel blockers to treat stable angina with low heart rate
I have read that we should use dihydropyridine calcium channel blockers to treat stable angina with low heart rate. This doesn't make much sense to me since calcium channel blockers are known to cause ...
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Is there a standard calculation for "degree of irregularity" of heartbeat? [closed]
I'm considering making an online tool to help calculate the degree of irregularity of heartbeat. I'd like to use a standard measurement and formula if such a thing exists.
For example a user taps a ...
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Accesible way to measure metabolism
I'm aware that metabolism can be measured in multiple ways, using both direct and indirect calorimetry. It can also be approximated using a combination of bodyweight and other measures, like with the ...
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EKG reading question [closed]
Can someone tell me what "ETRSR1-RSR' in V1 or V2, right VCD or RVH-QRS area positive & R' V1/V2 " means? In other comments it also said "otherwise normal EKG"
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Quickly reduced resting pulse after few cardio sessions [closed]
Preample: this is a academic question about the link between aerobic activity and the neurotransmitters controlling the heart rate. I am using my own observations as the starting point but not asking ...
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What if our hearts didn’t pulse?
Let’s say we used an electric pump that’s smart enough to adjust the blood flow according to the needs of the body.
What would be the effects on our organs?
Would we survive without the beats?
I just ...
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How do I measure my resting heart rate?
I measured my sitting down, relaxed, not moving heart rate, which is around 65-80BPM.
If I do the same measurement laying down, it's anywhere from 50-65BPM. While asleep, it dips into the 40s.
The ...
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Can I calculate the blood pressure and pulse based on a given blood loss
Is there a function, graph, guideline or rule where I can see how a change in blood volume changes other relevant values?
E. g. for every 1% of blood volume lost, heart rate rises 2 beats per minute, ...
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Should people with tachycardia avoid choline supplements?
After doing some brief research online it appears choline can have an effect on the electrical system of the heart, there are several medical papers online that discuss this topic, however I'm not ...
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Proper sleep quality index for compare with heart rate patterns
I LIKE TO KNOW ABOUT how to compare result of some detected patters in heart rate for sleep quality,for something like this work:
Image-based sleep motion and Slope detection on Hammock, hill and ...
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Study of heart rate delta-V during excercise?
Are there any studies into the impact of the rate at which a subject's heart rate is increased or decreased when beginning or ending an exercise session?
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Difference in heart muscle tissue growth (cardio vs low-rep intense weight lifting)
Below is a quote from a subreddit that says:
I haven't kept up on the research, but the last thing I read back in college looked at weight lifters and long distance runners. Both types had larger ...
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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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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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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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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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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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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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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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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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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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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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Low Resting Heart Rate but high bp [closed]
My resting heart rate is around 50 bpm but my blood pressure is around 122/78. Is this unhealthy?
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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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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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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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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 ...
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