Your doctor’s office could be reading your blood pressure all wrong

BonzaiDuck

Lifer
Jun 30, 2004
16,101
1,719
126
When I go for a medical appointment, I have to walk at least 0.15 to 0.20 of a mile from vehicle to the building, and they try to take my BP right away. The test it before I meet the doctor, who takes a reading again and a second time, when it is usually -- always -- lower. Sometimes I get a reading lower than 130 / 75. Other times, it is below 140 / 80.
 
Reactions: dingster1

mindless1

Diamond Member
Aug 11, 2001
8,581
1,665
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The last time I was at a doctor's office, they wanted a urine sample and literally I had not sat back down for long enough to get settled into the seat before they strapped the collar on and took the reading.

On the other hand, I disagree with the article. It's essentially idealizing all the ways to get a lower blood pressure reading, but if in your day to day life, you are never in this zen state of being (lol), then your real everyday blood pressure is not as low as this artificial environment causes, and your real everyday blood pressure is what counts.

Apparently I'm very important to someone, because I have a team that monitors my BP, taken regularly. BP monitor has a cellular link to them. Mostly they harass me that they think my BP is too low, then I appease them by talking to my PCP who tells me it isn't too low if I have no negative symptoms like dizzy/weak/etc.

I should clarify that I was not put on BP monitoring for low blood pressure but rather for high, but it's seldom high so... it doesn't hurt to do it I suppose, but it's not something I'd clear out a large chunk of time to do. I did, do that in the early stage of it, but then realized, it doesn't make that much difference.

Anyway, I do agree a bit with some of what the article stated. I sit up straight with my back against a chair, having been sitting with minimal activity for 5 minutes or more. I remain still while self-talking the reading, I don't take it yet if I need to urinate.

I keep my legs straight and feet on the floor, on a bare arm, but there's no way I would wait 30 minutes after any of the activities the article listed, I don't have 30 minutes downtime to be a vegetable for that! Taken from both arms? No, unless you are actually taking two readings one after the other every time. If you are not, then always take it from the same arm. How exactly would you even remain in your zen motionless state for 30 minutes to switch the BP cuff to the other arm? Switching it would take you out of that uber-relaxed state more than merely talking less than 5 minutes earlier!

You can't take the readings that far apart > 30 minutes + longer for supposedly prohibited activities, and think that gives you an average. I don't think the article author has much real world experience in this topic. It's highly unrealistic.

Arm is always near level with my heart. I grabbed a cardboard box of the right height to put my arm on to accomplish that. I never take two readings unless the first one looks wrong. The longer term trend of my BP and how I am feeling, give me a pretty good idea if the reading is accurate enough.

Contrary to some sources that claim that you can't "feel" when your BP is high, I absolutely can. I have a harder time guessing how low my BP is, can't really predict between a range of about 100/60 to 125/75, but if it's 130/80 or higher, I can always predict a high reading.

Lastly they provided a misleading "Blood Pressure Categories" image, showing the category vs BP reading, which is only appropriate for a younger age group that normally isn't monitoring their BP at all, so what was the point of that?

I don't think that Beth Mole should be a senior health reporter. PHD in microbiology isn't the qualification appropriate for the articles she's writing, if this one is any evidence. There's too many "must's" and silliness like "an appropriately sized cuff"... as if anyone thought that an inappropriately sized cuff would do as well?

ON THE OTHER HAND, I somewhat agree with what might have been the premise of the article, that it is quite possible that many people are misdiagnosed with high blood pressure, that a doctor can see this as a cash cow to just get people in the office long enough to take a BP reading and prescribe more meds. At the same time, most people aren't active enough and eat too much sodium, so I revert back to an earlier statement that you just take the reading when it fits into your life and whatever it is, is the blood pressure you have at that moment in time, and your everyday real BP is what counts. Prep for the best reading possible and you're just kidding yourself.

If you hadn't guessed it, I'm getting a bit tired of taking BP readings. I feel for those who struggle with high BP but I don't think that extra hoops to jump through, is necessarily beneficial.
 
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Reactions: MadScientist

MadScientist

Platinum Member
Jul 15, 2001
2,169
50
91
@mindless1 Great post. I agree with almost all of your post. Yes, your real life blood pressure is what counts, but there should be at least a minimal base line set of conditions for taking blood pressure readings that doctors can make a diagnose from. These are from Health.org, a link referred to in the first Ars Technica article:

How to use a home blood pressure monitor​

Discuss how to use your home blood pressure monitor with your health care professional. It’s important to have them make sure your home monitor is accurate and that you have the correct cuff size and fit. A cuff that is the incorrect size will cause an inaccurate blood pressure reading.
When preparing to take your blood pressure:
  • Plan ahead. Don’t smoke, drink caffeinated beverages or exercise within 30 minutes before taking your blood pressure. Empty your bladder.
  • Don't take the measurement over clothes. Remove the clothing over the arm that will be used to measure blood pressure.
  • You can use either arm. Usually there is not a big difference between readings on them.
  • Be still. Allow at least five minutes of quiet rest before measurements. Don’t talk or use the phone.
  • Sit correctly. Sit with your back straight and supported (on a dining chair, rather than a sofa). Your feet should be flat on the floor. Do not cross your legs. Support your arm on a flat surface. The middle of the cuff should be placed on the upper arm at heart level. Check your monitor's instructions for an illustration or have your health care professional show you how.
  • Measure at the same time every day. Take the readings at the same time each day. Talk with your health care professional about how often to take your blood pressure.
  • Take multiple readings and record the results. Each time you measure, take two readings one minute apart. Record the results using a printable (PDF) tracker. If your monitor has built-in memory to store your readings, take it with you to your medical appointments. Some monitors may also let you upload your readings to a secure website.
Most of these are just common sense. I agree with some of them, especially the 5th one. None of my docs, my PCP or cardiologist, have gone over these with me as a prep before coming to their office, nor do they take my BP while supporting my arm on a flat surface.
I have been diagnosed with hypertension. Since I had by-pass surgery 12 years ago I take Atenolol 25mg daily. This has kept my BP at~125-130 but occasionally it will be higher. I use an Omron 3 Series BP7100 Blood Pressure Monitor at home daily. I use one arm, the same arm. I have taken it to my doc's office and the readings match theirs. I have found that taking my BP after drinking coffee increases it. I have not tried full versus empty bladder readings yet.
 
Jul 27, 2020
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I have found that taking my BP after drinking coffee increases it.
Yes, coffee does increase BP. However, beta carotene in mango and carrots can lower blood pressure. So after drinking coffee, wait about 15 minutes, eat a whole carrot (or juice it) and take BP after about an hour to see if it has an effect.
 

mindless1

Diamond Member
Aug 11, 2001
8,581
1,665
126
^ I don't bother with special elixirs, more about keeping a good calcium, potassium, and magnesium, to sodium ratio. Eating whole foods, particularly veggies helps a lot.

I do eat carrots, I mean I have a veggie snack tub with carrot slivers, broccoli, cauliflower, peppers, and whatever else I picked up at the grocery store that's good raw. Also I incorporate more legumes than ever, and it doesn't hurt that bags of dry are a cheap food source with grocery prices rising, and... fiber!

It's really all about seasoning the food to be palatable. A pile of beans sucks, but a pile of beans seasoned well, yummy.
 

biostud

Lifer
Feb 27, 2003
19,317
6,333
136
Well, here in Denmark if they think something is wrong you always a home kit and an instruction on how to monitor over several days.
 

Stiff Clamp

Senior member
Feb 3, 2021
905
339
136
I'm doing it right. I just bought a Braun ExactFit 3 monitor. Finally tried it out yesterday. Makes pressure-finding fun. Maybe I'll discover what supplements influence my BP. Never used a digital meter before.
Came with two cuffs. I used the larger.
 

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MadScientist

Platinum Member
Jul 15, 2001
2,169
50
91
I'm doing it right. I just bought a Braun ExactFit 3 monitor. Finally tried it out yesterday. Makes pressure-finding fun. Maybe I'll discover what supplements influence my BP. Never used a digital meter before.
Came with two cuffs. I used the larger.
Looks good for the price. Braun ExactFit 3 To check it's accuracy take it with you the next time you go see your doc and compare readings. I'm surprised CR did not test it. Their top picks: Link
I had my anuual visit with my cardiologist on Monday. I compared the readings of my Omron 3 to theirs. They matched. The Omron 3 is a cheap, accurate, no frills BPM. It's also FSA/HSA-eligible. I got mine for free using the OTC quarterly allotment from my Medicare Advantage plan.
For a few bucks more there's the Omron 5 that has bluetooth and more memory storage.
 
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