Questions tagged [blood-pressure]
Use this tag when asking about the pressure of the circulating blood on the walls of blood vessels. Blood pressure is a reliable indicator of several medical conditions.
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Where in the arterial system is the blood pressure intended to measure?
I've seen the blood pressure consistently being defined as the pressure exerted by the blood onto the outer wall of the blood vessel.
However, the arterial system branches, changes diameter, and ...
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What nutrients directly increase the blood preassure when absorbed?
If I understand this article correctly, the uptake of sodium from the gut into the blood stream directly increases the blood preassure, partly by retaining water in the blood stream.
What nutrients (...
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Can Clonidine or chemically similar drugs (i.e. Guanfacine) cause or worsen Psoriasis?
Can Clonidine or chemically similar drugs (i.e. Guanfacine) cause or worsen Psoriasis? If so, in what mechanism?
I didn't find any data about Guanfacine but I have found few articles mentioning ...
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Varying Max/Min Behaviour for Electronic Blood Pressure Cuffs
Suppose an electronic blood pressure cuff (automated sphygmomanometer) attempts to measure a patient’s blood pressure. Consider the following scenarios:
The blood pressure cuff inflates to a reading ...
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What is intermittent administration?
I have come across this study headline:
Intermittent clonidine regimen abolishes tolerance to its antihypertensive effect: a spectral study
https://pubmed.ncbi.nlm.nih.gov/17414230/
I am not a ...
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Blood Pressure / Pulse Correlation
I've been working on trying to lower my blood pressure.
As part of that, I've been reading up on what blood pressure is, and how it is impacted by exercise.
From what I understand, people who are ...
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How is blood pressure monitored during surgery?
Yesterday I had a minor procedure involving anesthetic and being "on the table". As the blood pressure cuff inflated, it occurred to me that on medical TV shows, where they are doing far ...
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Is an increase in blood pressure all that you need to increase connective tissue blood flow?
An answer to the question Does chronic caffeine use increase or decrease blood flow to connective tissue?
Talks only of blood pressure (BP) values when answering the question, which to me is strange, ...
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Why is heparin contraindicated in patients with severe hypertension?
Heparin is a parenteral anti coagulant- prevents clot formation by inhibiting factors 2 a and 10 a mainly. Now, patients with severe uncontrolled hypertension- have persistent bp of more than 140/90. ...
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Is the frequency of Korotkoff beats equal to the pulse rate?
When measuring blood pressure using a sphygmomanometer (BP cuff), you listen for Korotkoff sounds caused by turbulent blood flow through the artery. They appear as beating noises. Is this beating ...
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Post oximetry PLETH waveform and ABP waveform similarities
As a beginner in medical sciences I found a fact that was seemingly interesting to me.
When I was doing some simulations with patient monitors and advanced cardiac life support cases, I found that the ...
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What are specific effects of a loss ACE2 functionality caused by COVID-19?
ACE2 protein on the surface of lung epithelial cell and and other cell types is a homologue to ACE which is popularly as the target protein/enzyme of blood pressure medication ("ACE inhibitors&...
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Is there a term for a blood pressure level that is too high but which is typical for the patient and causes no symptoms?
In Russian, there is a semi-colloquial medical term "рабочее давление" (working pressure) - the blood pressure that is excessive, but is typical for this particular patient and causes no ...
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Why can't JVP be measured in a standing or supine position?
While carrying out the jugular venous pressure (JVP) examination, the patient is kept at a 45 degree angle with respect to the ground. Why can't it be measured in a standing or supine position?
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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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How can I take blood pressure into the cardiac output formula?
I wanted to know if there is some kind of formula that can help me calculate the cardiac output.
So, lets say we have a standing person. The StrokVolume should be around 100 cm2 for the average adult, ...
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Are individuals with controlled blood pressre still considered to have high blood pressure?
I was reading this article:
https://www.bloomberg.com/news/articles/2020-03-18/99-of-those-who-died-from-virus-had-other-illness-italy-says
the TL;DR is that 99% of the Covid-19 deaths in Italy had ...
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Crystalloid infusion during anaphylactic shock
My text book states that intravenous crystalloid infusion is a method of treating anaphylactic shock.
I can't get why, as there is no fluid loss in case of anaphylactic shock, at least that is what ...
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Can one have high and low blood pressure at the same time?
I understand that the heart is a pump. The systolic (SYS) one is when it pumps, the diastolic (DIA) one is when it fills with blood again.
Now I think the following holds:
SYS of 140 mmHg or more => ...
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Are "Wrist" blood pressure monitors less accurate then Upper arm?
There are thoughts that Wrist blood pressure monitors like the one shown below are less accurate than Upper Arm ones. Also, one of the respectable site mentions same with reasonable arguments. Is that ...
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What affect does a small amount of alcohol have on blood pressure?
The internet has all sorts of information on heavy alcohol use ( it is bad). But I am wondering about a couple drinks , that is a total of 25 ml of ethanol.There is some information that it dilates ...
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Should I drink coconut water daily? Many sites praise the health effect
Example article found with DDG: 8 Science-Based Health Benefits of Coconut Water
The Bottom Line
Coconut water is a delicious, nutritious and natural beverage that’s
extremely good for you.
...
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How does a blood transfusion directly from one person to another through a line work?
In Person of Interest, Shaw inserts a line into a guy's arm that goes directly into her arm for a blood transfusion. See clip:
https://www.youtube.com/watch?v=eYQRa6IYf0A&t=83
What determines the ...
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What are the expected variances of blood pressure readings on home monitors?
For a long time I've noticed that if I take my blood pressure a second time, the readings vary especially for the systolic reading. If I don't like the reading, I just take it again (recording both).
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At what point would blood loss impede the ability to achieve an erection?
So first I feel I should clarify this isn't to support some vampire fetish. No this is actually to bring some scientific fact to my fictional work.
How many pints in a one month period could an ...
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What is the blood pressure within the right ventricle?
The circulatory system can be divided into two cycles, a pulmonary circulation and a systemic circulation. As the right ventricle only needs to supply the lungs with deoxygenated blood, the muscle is ...
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How soon will a person die if they are hung upside down?
Sorry if my question is too silly or is in the wrong place.
How soon will a person die if they are hung upside down?
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Does giving blood lower blood pressure?
While it seems logical that reducing any fluid in a body would reduce the pressure does the body regulate it's own pressure after donating blood or is it lowered?
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Is there a correlation between arthritis and diastolic blood pressure?
Is there a correlation between arthritis and diastolic blood pressure?
i.e if diastolic is high you get arthritic symptoms or vice versa.
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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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Which vessel could a pumping vessel in the left middle side of forehead be?
There is a vessel located on the left middle side of my forehead which keeps pumping for few times noticeably every few minutes, my question is:
What are vessels flowing on the left-mid side of the ...
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What is a constipation remedy that doesn't give you a headache or raise your blood pressure?
What is a constipation remedy that doesn't give you a headache or raise your blood pressure the way senna, or various salts (magnesium oxide, potassium), or enemas (salts) do?
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Can a colloid intravascular volume expander be used in chronic orthostatic hypotension?
For conditions such as POTS (Postural orthostatic tachycardia syndrome) which are unable to regulate appropriate blood pressure / HR on postural changes, they are treated with volume expansion - like ...
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Why does caffeine raise your blood pressure when it's a diuretic?
Why does caffeine raise your blood pressure when it puts your kidneys into overdrive?
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Physical activity and blood pressure
Apparently physical activity can significantly raise blood pressure.
Is prolonged strenuous physical activity (8hrs+) a risk factor for the effects of high blood pressure?
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Measuring Blood Pressure at home
I want to start keeping track on my blood pressure at home. If I take multiple daily measurements during the month of December should I average it at the end of the month and then use that final ...
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Any meds to increase blood pressure?
Are there any meds , aside from caffeine , that increase blood pressure . I know physical exercise can produce a temporary increase but I am wondering about something that can increase it for hours. ...
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Taking Blood Pressure Bilaterally -- Why?
There's a physician that always takes blood pressures bilaterally for EVERY patient he sees. These patients are assumed to be healthy adults coming in for basic routine medical exams.
I don't see ...
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How can a BP goal be recommended, but not a diastolic or systolic goal?
Out of curiousity, I'm researching the JNC 8 guidelines for hypertension, and when reading this publication, I noticed it says:
There is strong evidence to support treating hypertensive persons ...
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Herbs that Would Relax the Mind but Not Decrease Blood Pressure? [closed]
Recently, I have been wondering whether there are herbal remedies that would relax the mind from situations related to stress but NOT decrease blood pressure. So far, it has been easy for me to find ...
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Affect of raw and diluted sodium on human
What is the affect of sodium on human if taken raw and if taken diluted . For example if I take 5g salt as raw and if I diluted the same with 1 liter water and consume will the effects on the body ...
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Is it a good idea to replace Sodium Chloride (NaCl) with Potassium Chloride (KCl) for everyday consumption?
Increased sodium intake is linked to higher blood pressure, and therefore larger chance of developing cardiovascular issues.
On the other hand, increased potassium intake (within RDA, which is a ...
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Correlation between blood pressure and cardiac output in the elderly
Why does blood pressure have little correlation with cardiac output in the elderly? (Source ATLS student course manual)
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Passing out after injections [closed]
Last October I had an injection which was need for my trip to Costa Rica, a few minutes later I passed out and split my head open due to landing on concrete. On Monday I'm having a typhoid injection ...
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Wrist Blood Pressure Monitor Accuracy?
I have both a wrist blood pressure monitor and an upper arm blood pressure monitor.
I generally enjoy using the wrist monitor more, as it's difficult for me to secure the cuff on the arm monitor, as ...
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Various effects of prednisolone
I've just been given a prednisolone treatment after widsom tooth extraction (on local anaesthetic). I'm on 40mg per day, aside with 3g of amoxicillin per day. I weigh about 62kg
I've read the ...
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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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Nasal corticosteroids and hypertenstion
Can corticosteroid nasal sprays such as Nasonex (mometasone) and Rhinocort Aqua (budesonide), effect blood pressure? Do topical steroids like that enter the blood stream in such a way that they ...
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Why does high blood pressure cause tinnitus?
There are multiple reports on the internet where people state that they got tinnitus from high blood pressure. Usually it is related to exertion or having an orgasm.
Just wondering if anyone has t ...
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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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