Podcast #128: We chat with Kent C Dodds about why he loves React and discuss what life was like in the dark days before Git. Listen now.

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.

Filter by
Sorted by
Tagged with
0
votes
0answers
8 views

Is it essential for a doctor to establish the cause of steatorrhea fatty stool

"Steatorrhea (or steatorrhoea) is the presence of excess fat in feces. Stools may be bulky and difficult to flush, have a pale and oily appearance and can be especially foul-smelling. An oily anal ...
4
votes
0answers
18 views

Being excluded from blood donation due to using protein supplementation

As in the title, I used another clinic from the ones I usually donate blood. The doctor that was responsible for taking my history in regards to approving me as a donor after the usual questions asked ...
2
votes
1answer
52 views

Would gargling salt water every day increase sodium absorption levels?

Do you absorb sodium through your gums, mouth and throat when gargling and rinsing salt water? Considering the fact that sublingual medication is a very effective way for introducing substances ...
4
votes
1answer
68 views

How is blood cleared from the body after internal bleeding

How is blood that flows out of vessels during internal bleeding cleared from the area (by the body, not medical professionals) once the bleeding stops? I am assuming via the lymphatic system; but I've ...
2
votes
1answer
59 views

How to calculate my “approximate” mortality rate while in ICU?

To make a long story as short as possible for context, I was rushed to the ER while in cardiac arrest back in 2014. Heart stopped beating momentarily and lost oxygen to the part of my brain. None of ...
6
votes
1answer
53 views

How does Psoriasis change the biochemistry of blood?

I read somewhere that Psoriasis can increase the amount of uric acid in the bloodstream by about 10%, increasing the chance of gout:psoriasis Is this the only biochemical change in the bloodstream ...
2
votes
1answer
50 views

How many valves per distance are common in veins?

Veins have valves to prevent backflow of blood. I am looking for a value the indicates on average how far apart those valves would be. There are valves in most veins to prevent backflow. source ...
0
votes
0answers
22 views

Where are good abdominal places for measuring SO2 and heart rate via reflective pulse oximeter?

I'm trying to develop a belt (wearable device) from which I could measure belly stretch (exhalation, inhalation), heart pulse frequency and blood oxygen saturation data via optical EKG (reflective ...
2
votes
1answer
44 views

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 ...
1
vote
0answers
30 views

High lyphocytes count in blood test

What is the lymphocytes counts limit which discriminates a recent infection from a CLL (Chronical Leukaemia Lymphocytosis)?
2
votes
0answers
21 views

Fatal adult-onset blood/vascular disorder

I'd like to know if there's a blood or vascular disease/disorder that fits, or could conceivably fit, all the following criteria, even if only in theory: Present from birth Onset of symptoms, or a ...
1
vote
1answer
50 views

At what speed would an average adult human male bleed out, if their arm was amputated?

I'm not sure what unit of measurement to ask this question in, but I suppose that pints per second would be the right way to think of things. Currently writing a short story and i'd like to add some ...
4
votes
1answer
77 views

“Blood rushing to the head” during handstands: How is it regulated?

Many people who start practicing handstands or headstands report discomfort in their head, ranging from a mild sense of fullness to "my head is going to explode." The standard response in online ...
0
votes
0answers
16 views

Exact wavelength of oxy/deoxy-hemoglobin absorption spectrum cross over in NIR region?

What is the exact wavelength where the absorption of oxygenated and de-oxygenated hemoglobin are equal within the NIR optical window (in humans) - and is this constant for all races and blood types? I ...
2
votes
0answers
59 views

Hormone Definitions and Measurements [closed]

How are human hormones defined in the body and how are they measured? I understand that blood tests can be used to measure the amount of a hormone in the body, but how do we know which hormone ...
0
votes
1answer
43 views

How does the circulatory system know where to distribute oxygen and nutrients?

There is lots of information online about the circulatory system, but it never seems to answer the question of "targeting". When there is a change in the relative demand for blood, how does the ...
7
votes
2answers
646 views

Is lipaemia the same as hyperlipidemia?

I'm translating a Russian text and one of the sentences goes like this: Среди сывороток были образцы с гемолизом и липемией. The serum samples contained samples with hemolysis and lipaemia. I ...
3
votes
1answer
88 views

Why can't we give blood within 8 days after taking an anti-inflammatory?

I'm used to regularly giving my blood and other blood components (plasma and platelets), but I was surprised the other day to see that one should not proceed to the donation if they consumed anti-...
-3
votes
1answer
83 views

Can HIV patients get further infected by their own blood?

A person without HIV can get infected with HIV by, blood already infected with the virus entering into their body (for example). Can HIV patients get further infected by the for example ingestion of ...
2
votes
1answer
56 views

What diseases cause a rapid fall in hemoglobin count? [closed]

Which diseases would be likely to cause a fairly rapid decline in hemoglobin count? In this particular case, hemoglobin count went from 7.6 to 6.4 in 48 hours, despite 2 units of hemoglobin being ...
2
votes
0answers
38 views

After traumatic injury, what are the red “chunks” a victim coughs up? [closed]

Recently, I witnessed a pedestrian-vehicle collision. As I approached, nobody was rendering aid, so I took it upon myself to do so. The man wasn't breathing, so I applied basic first aid by tilting ...
4
votes
0answers
264 views

Mechanism of retrograde propagation of arterial thrombi

Quoting from _Robbins Basic Pathology 9th ed. Thrombi are focally attached to the underlying vascular surface and tend to propagate toward the heart; thus, arterial thrombi grow in a ...
1
vote
1answer
80 views

How do doctors deal with fear of blood?

For me personally it is very hard to watch scenes from movies/documentaries where the surgeon cuts patient's skin. I don't get any discomfort from seeing blood or wounds but it's almost unbearable to ...
6
votes
1answer
87 views

Why do surgeons wear blue aprons during surgeries?

In most cases, the surgeon wears a white apron, but during a surgery he is wearing a blue apron, why blue?
0
votes
1answer
24 views

How much time will take for receiving 1 bag blood?

I want an idea about time spent for taking 1 bag blood. I have a blood donor he will donate 1 bag blood. After taking his blood it will be transferred to a patient. Would anyone provide an idea how ...
2
votes
1answer
59 views

Put a finger in it? When is it appropriate to stop a bleed with your finger?

Can a arterial bleed be stopped by putting your finger/s in it? Like the one in your leg or a place where pressure can't be placed normally?
5
votes
1answer
178 views

ABO blood type mismatch

I have a question about blood types and seeming hereditary contradictions. The above image of an Eldoncard blood test, which shows quite clearly that the testee has AB- type blood. (see image!). The ...
1
vote
0answers
129 views

Difference between Contusion, Haemorrage and Hematoma?

As per wikipedia these are the definitions: A contusion, commonly known as a bruise, is a type of hematoma of tissue[1] in which capillaries and sometimes venules are damaged by trauma, allowing ...
2
votes
0answers
27 views

Do beets dye your blood purple?

I was warned recently that eating beets can cause reddish-purple urine, which got me thinking. Blood is filtered by the kidneys to produce urine, high school biology. So if a meal of beets can dye ...
5
votes
1answer
122 views

What keeps our organs in place?

Do they float iniside our "blood blob inside our body" or they are connected to our muscles ?
2
votes
1answer
41 views

Can the foods you have been eating be detected through blood tests?

I know that things like sodium, cholesterol, and sugar levels can be found in blood (at least I think so.) But what about things like fruits and veggies? Can that be detected through bloodwork? Or ...
0
votes
0answers
22 views

What's the exact value of blood Ph and how is it corrected

what is the exact value of the blood ph, how is it corrected and at what precision ? Has there even been a real time high precision analysis of the blood ph ? where we could see the correction ...
4
votes
1answer
120 views

What happens when a hemophiliac woman gets her period?

If there was a woman who is also a hemophiliac/bleeder, what happens when she gets her period? Does her condition affect said period in any way, and if so, how? Would it be troublesome (more than ...
1
vote
0answers
78 views

Can you die from severing your penis?

I recently saw a very disturbing post history on Reddit about a person with the stump of a penis left, and no testicles, as he severed his penis by shooting it off and castrated himself. He said he ...
3
votes
0answers
19 views

Ischaemia and sensitization

In Acupuncture, Trigger Points and Musculoskeletal Pain (3rd Edition), Baldry asserts the following: "When the Myofascial Trigger Point nociceptor-sensitizing substances bradykinin and prostaglandins ...
3
votes
1answer
4k views

What are the effects of swallowing own blood from nosebleeds?

I've seen people on the internet claim that you shouldn't tilt back your head during nosebleeds, because blood could get into your lungs or stomach. When I asked people I know what they do during ...
3
votes
2answers
48 views

What would you call the following type of injury?

Having fallen onto your hands and knees on asphalt, the top layer of skin is gone from your wrists, and you can see tiny amounts of blood that are not coming out of anywhere in particular (perhaps the ...
2
votes
1answer
161 views

Health benefits from giving blood?

I heard a rumor that there were health benefits from giving blood. (The rumor claimed that doing so would help to "remove unwanted stuff from your bloodstream" so that your body could create fresh ...
2
votes
0answers
2k views

What does the stability of blood test means for patient who have few pains in different parts of the body

What does the stability of a CBC (and all related tests) means for a patient who is not suffering anything besides few ache here or there like in stomach or the back? More generalized, if a blood ...
5
votes
2answers
65 views

Occasional medical tests and imageries

I ouce asked on Quora, why people do not do yearly blood tests and imaging, to prevent getting stage 4 cancers. The answers listed reasons not to do this: It would cost a lot of money (for the ...
0
votes
1answer
94 views

Is it true that I can't consume citric foods while on Warfarin?

I got diagnosed with a blood clot after a knee surgery and now my doctor told me that I need to be taking Warfarin for 3 months. I was talking to one friend of mine, who studied medicine and he said ...
2
votes
1answer
875 views

Tattoo on person with hepatitis b

Is it ok for a person with hepatitis b to get a tattoo? What are the risks? Will it make the condition worse?
3
votes
0answers
23 views

What is the most advanced non-invasive technology these days for identifying clogged arteries?

What is the most advanced non-invasive technology these days for identifying clogged arteries?
1
vote
0answers
10 views

Opposite Venous Blood pH Readings In Groups Of Patients?

Assume Group A and B are 2,000 people each. If one doctor found that, say, sodium bicarbonate alkalized all venous blood of patients in Group A, but another doctor found that sodium bicarbonate ...
5
votes
1answer
177 views

What do these blood tests mean in general and why do doctors ask for them before taking action?

My doctor ordered some blood tests for me. I would like to understand what each test is for, meaning what information could be gathered from the results. W.B.C. Platelets E.S.R. C.R.P. Alpha feto ...
3
votes
1answer
57 views

How can a bone marrow transplant from a donor of a different blood type not get rejected?

As discussed here, one can change their blood type by getting a bone marrow transplant from a donor with a different blood type. Why would the bone marrow not be rejected, as the body's immune ...
5
votes
3answers
86 views

Blood in urine without seeing it…?

I came from my doctor and he did a urine sample and said there was blood in my urine. I've never seen "blood" in my urine or had any issues with my kidneys so I was perplexed by this. Is this ...
1
vote
0answers
19 views

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
1
vote
1answer
62 views

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 ...
4
votes
1answer
38 views

Who decides the “normal” values for blood count?

I'm currently researching the values for a Complete Blood Count. Obviously different sources give slightly different values, usually due to rounding, but I found that some values consistently shifted ...