Questions tagged [blood]

The liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body, or an internal bodily fluid that performs a similar function in invertebrates.

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68 views

Do fetuses' blood types ever cause Graft versus Host in the mother?

If a mother has type O blood, and a father has type AB, their children will almost certainly have either type A or type B. Considering a mother of type O blood will begin to produce antibodies against ...
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I think I just coughed a little blood, have been dry coughing for 2-3 days. What should I do?

This is what my cough looks like, verify blood :( https://ibb.co/gD6Otv https://ibb.co/hE4nLa
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Why do people get nosebleeds from overexerting themselves or when they're sick?

In many TV shows from medically-related to not, people get nosebleeds when they're working too hard or "deathly" ill. I'm wondering if this real or just dramatized. If it happens to be real, is it ...
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Is it possible to change person's blood group?

Is it possible to change person's blood group? I know it is not possible to change person's DNA, so what about blood group?
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Which blood test results would most indicate further testing for cancer?

As a member of the healthcare community, I've long been taught (as we have all) that test results are only valid in the context of symptoms and at the discretion of a healthcare professional. That ...
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Does neovascularization help or hinder healing in a tendinopathy?

Many studies have shown that tendinopathies often come with neovascularization in the injured area. Does neovascularization help or hinder healing in a tendinopathy? From http://inside.akronchildrens....
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Can a person with thrombocytopenia marry a thalassemia carrier?

Can a person with thrombocytopenia marry a thalassemia carrier? Will there be any effect to the child? For example a thalassemia carrier and his partner who is under medication of thrombocytopenia, ...
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111 views

What causes aortic aneurysm

An aortic aneurysm is a balloon-like bulge in the aorta, the large artery that carries blood from the heart through the chest and torso. What could be the possible causes of aneurism?
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Plausibility of 30 gauge draw?

What are the risks, complications, and problems associated with using a 30 gauge needle to draw blood from someone with otherwise average veins? What is the certainty of hemolysis and would it be even ...
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707 views

Why is this clinical difference between central and peripheral hemoglobincyanosis?

While in central cyanosis we see cyanotic mucosae, we have in peripheral cyanosis a cyanotic peripheral. In central cyanosis we have a oxygenation problem and in peripheral cyanosis a low perfusion. ...
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164 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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Stop bewilder when go up [closed]

How to stop bewilder ? When I siting and I go to get up then I bewilder.What is caused this and how can I treat this?
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Difficulty extracting blood

A little while ago, I had my blood drawn for lab work. They were only filling a small vial with it, but even so the nurse had a hard time getting enough blood to flow into the vial. What could cause ...
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What are the effects of sipping blood?

Since childhood, I've noticed that when most people get injured they tend to sip the blood from where they got injured claiming that they are doing so, so as not to waste the blood, and furthermore ...
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Can GFR be improved in patients with kidney failure?

How widely can glomerular filtration rate (GFR) values fluctuate and can they ever improve? How much "error" might one expect in the value if sampled quarterly?
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Why is 88% SpO2 considered a critical level?

If I understand correctly, arterial blood is usually saturated to ~95% with oxygen, the oxygen being transported in combination with haemoglobin in a ratio of 4:1. Venous blood is saturated at around ...
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What is the significance of white blood cells count to platelets count ratio?

This is actually something I stumbled upon while conducting a statistical analysis. I have WBC and Platelets counts of over 3000 people with varying age and gender. I was thinking about doing a ...
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Normal for menstruation blood to be brown/black at the start?

Lately, in addition to the more intense abdominal pain than usual, my period is manifesting itself in dark brown/black (tarry-like) blood from the start and staying like that for almost 5 days until ...
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Blood donor restrictions (Mad Cow Disease) in Australia/France for people who lived in Britain, is it justified?

I have found out recently that in Australia and France you are not allowed to give blood if you spent more than one year in the UK between 1980 and 1996 because of mad cow disease. I am wondering why?...
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Does Anemia equal poor circulation?

Are they one and the same? Can you be non-anemic and have poor circulation? Can you have good circulation and be anemic at the same time?
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What diet/foods decrease IGF-1 and increase IGFBP-1?

And also, what happens to these markers when non-fibrous carbohydrates are substantially reduced? Thanks a lot for any comments.
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209 views

Is it possible to tell if a person is awake or sleeping by capturing his finger print at that moment?

Consider A is a person, is there any possibility to find if he is awake or asleep?, Maybe the lines on the finger be compressed or the blood flow might be low while sleeping.
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How can I improve my chances of a successful platelet donation?

I have a high platelet count and would love to put that to good use by donating platelets. But the last several times I've tried to give, my veins failed one way or another. The volunteers couldn't ...
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655 views

What will happen if Uric Acid level increases [closed]

What will happen if the uric acid level increases. How to detect the problem(is there any symptom) and what will be the natural way to reduce or balance uric acid level.
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How can I cover up bruises?

I have recently had a few bruises to my leg, one quite bad, I was just wondering is there any way of covering the bruises up? If so, how? What methods could I use?
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What does thick blood indicate?

I today got a cut on my finger and I saw my blood was thick and sticky. It took less than 1 second to dry and clot as I rubbed it on my finger. Is thick blood bad for your health?
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Low potassium in blood

A blood test revealed low potassium. What is the dangerous effect of low potassium in the blood? Is medication necessary for this condition? Thank you for your wisdom.
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Lab test for Pregnancy, Not Clearly listed?

Can anyone list the Laboratory Test that are prescribed in the picture?(It's for a pregnancy in week 28+1).
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Medical relevance of tetanus vaccination

As somebody who has recently come into contact between another person's blood and/or other fluids and a cut on my hand should I ask them for the year of their most recent tetanus shot? As far as I am ...
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APTT in the blood is completely missing

If in the blood, according to the blood tests, the APTT is 233 (norm is 150), does it mean that there was an error during the test, or it may actually be true?
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Omics vs Classic Blood Sample

It seems to me that omics data offers much more information than a classic biochemical blood analysis does. Are there more features that can be known from a patient blood sample using omics data in ...
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179 views

Is it possible to get a cut from being elbowed in the head?

So I was at a basketball game, and sometime mid-way through it, I got elbowed in the head. At the end of the game, I found that I got a small cut that was slightly bleeding and, at that point, the ...
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Are there variations in blood cholesterol by age?

Is blood cholesterol supposed to be always the same level or there are variations according to the age?
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5k views

Does having more muscles influence blood pressure measurement?

As stated in the title, do we have any evidence that having a big muscular arm influence BP measurement?
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81 views

Take and analyse blood samples at home

Is there a method/device for a person to analyze the basic characteristics of her blood without going to the doctor? Background motivation: A patient has reoccurring symptoms that appear at random ...
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Blood pressure reading more at evening time

I discovered was that my blood pressure didn't stay the same all the time. It was lowest first thing in the morning (a reading of 120/70), went up a little at lunchtime (135/80) and was highest in the ...
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Third degree burns Home Treatment

(This is for a post-apocalyptic novel, just so we're clear. I'm not treating anybody.) In the case of a calf-long burn, second to third degree, how can you treat it by yourself, if there is nobody to ...
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Extreme bleeding - what shuts down first?

Considering an accident that results in heavy bleeding (say legs are crushed), but no internal damage to the brain or torso, what would stop first: the brain or the heart? Is there an order to organ ...
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714 views

What fruits and vegetables will help lower triglycerides?

A physician stated that eating a couple apples every day could actually increase triglyceride levels. Is this correct? If so, how do you determine which fruits and vegetables will help lower ...
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What are plasma donations used for?

While a lot of blood donor websites online tell you what plasma is composed of, they don't seem to go into what it's used for. What are some potential applications of plasma donations, and is there ...
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How can mercury be removed from the body "naturally"?

Is it possible to remove mercury from the (live) human body without undergoing chelation therapy? Does the body remove it naturally? He switched to salmon and his mercury levels fell by half -- ...
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What are the hazards from smoking or drinking and then donating blood?

Why the donors are always advised not to smoke tobacco or drink alcohol for a particular amount of time before blood donation? What adverse effects can the receiver be subjected to if the blood of a ...
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What is excess blood from blood donations used for, and do we ever run out?

I regularly donate blood, however, I am curious as to what happens to my blood after I donate. Obviously some of it will go to people in emergency medical situations, as I intend. However, I have ...
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Why does your head get enough blood and your feet don't when lifted above your body?

When I lift my feet up they go numb and don't get enough blood I suppose. Why isn't the same thing happening for my head in a normal upright posture?
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What has hot shower to do with low blood pressure?

http://www.webmd.com/heart/understanding-low-blood-pressure-treatment What Are the Treatments for Low Blood Pressure? ... Avoid prolonged exposure to hot water, such as hot showers and spas. ...
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How to deal with pale fingers in cold weather?

What is this condition called when one or more fingers go pale every time when being in a cold environment? Is it something that can be handled without having to relocate to exotic countries?

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