Low blood pressure, fast heart rate?

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cat_mac
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I thought they would contradict each other? Getting an ECG soon which is always fun. Smart people, please explain what the difference is between BP and heart rate? I had no interest until the nurse freaked and redid the test three times then checked manually incase the machine was messing up :laugh:
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CoolCavy
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I have no idea but have had a lot of those BP tests and had an ECG so just wanted to say hope it all is resolved :cube:
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random_matt
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BP is the amount of pressure the blood goes through arteries, which means your heart rate is faster because the pressure is too low, not enough going through, i think.
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cat_mac
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(Original post by CoolCavy)
I have no idea but have had a lot of those BP tests and had an ECG so just wanted to say hope it all is resolved :cube:
I’ve had plenty too and they’re usually totally fine so I was a bit freaked out at the time when it was making different noises and the nurse looked concerned! It’s probably meds related, hopefully it’s a quick fix. :hugs:
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cat_mac
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(Original post by random_matt)
BP is the amount of pressure the blood goes through arteries, which means your heart rate is faster because the pressure is too low, not enough going through, i think.
Ah okay that makes sense!
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username3911170
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BP=basically how ‘hydrated’ you are, therefore with such a low H2O level (low blood pressure) your body needs to increase the heart rate in order to make sure that oxygen, ions, hormones, nutrients (,etc) dissolved in ur blood can reach the living cells and all the wastes (CO2, urea, ammonia) can get flushed out from the body in time.

So, low BP=higher HR and conversely, high BP=lower HR.

PS. but remember that HR can also be altered by any other similar mechanisms not involving the HR-BP feedback system, e.g. eventho you’re fully ‘hydrated’ (high BP), you may still feel nervous (increasing HR) coz ur pancreas releases epinephrine while you’re in dangerous situation/when ure afraid.
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melliottme
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My heart rate has increased over the years and even though I am on meds that actually reduce the rate today (as normal) when it was taken it was just under 100. I mention that even hough it had steadily increased over the years nobody seemed concerned and the heart nurse said its going to be the new big 'awareness' soon.
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Attybat
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(Original post by random_matt)
BP is the amount of pressure the blood goes through arteries, which means your heart rate is faster because the pressure is too low, not enough going through, i think.
That's pretty much how it works - less blood means heart has to work harder to provide the same amount of oxygen to the rest of the body. You probably have already been told this but make sure you're drinking enough. Chronic Dehydration is one of the most common causes of low blood pressure because there's less fluid in your blood to bulk the cells out.
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JamandJelly
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(Original post by cat_mac)
I thought they would contradict each other? Getting an ECG soon which is always fun. Smart people, please explain what the difference is between BP and heart rate? I had no interest until the nurse freaked and redid the test three times then checked manually incase the machine was messing up :laugh:
Low blood pressure, fast heart: too fast too furious
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independentx
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I think the BP is the pressure at which the blood is pumped, and if the pressure isn't enough the heart needs to pump more and faster. I'm no doctor though!
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cat_mac
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(Original post by ecolier)
How detailed would you like? :rofl3: We can go organ system, hormones, microscopic, nervous system!

BP and HR are connected in many ways, and as said they usually do go up when one goes down. However there are many ways this relationship is disrupted, therefore it is not simply "low BP, high HR" etc.

Young women tend to have a low HR (around 60, but even 50 is acceptable depending on the trend), but they may also have low BP (hence some faint)

Physically fit people tends to have a low HR too, but their BP may well be normal. Each stroke of the heart can pump more blood than a non-physically fit person.

I can go into much, much more detail but surely it will bore you!
That’s helpful, thanks! My HR was 98 sitting down then 101 standing up which sounded way too fast in beeps. If anythings wrong they’ll figure it out soon I guess :rofl:
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TheStupidMoon
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Another measurement is the pulse pressure which is the difference between the higher and lower numbers of your blood pressure.
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