Questions tagged [hematology]

Questions about the study, treatment, prevention, and diagnosis of blood-related diseases. See also [blood]

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17
votes
1answer
291 views

Does blood donation reduce the risk of cardiovascular disease?

While answering this question about the possible detrimental effects of iron deficiency caused by frequent blood donation, I was reminded of a theory I heard long ago about a possible benefit of mild ...
9
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2answers
4k views

Why do toenails turn black after impact?

What does it mean when a toenail turns black after a minor physical impact? Would this disappear by itself (it's already over a month)?
7
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1answer
215 views

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?
4
votes
1answer
46 views

Citrate vs EDTA

What is the difference between the use of «citrate» and «EDTA» as an anticoagulant in medicine (I know that each one is used for some dosages but not the other, but I need to know why)?
4
votes
1answer
52 views

How is anaemia commonly diagnosed?

I am reading from the Australian Medical Council, Anthology of Medical Conditions (2003). Under the key objectives for presenting anaemia and pallor it says: "By considering the clinical context, ...
4
votes
1answer
320 views

Decisions about anticoagulation in atrial fibrillation: how to factor in thrombocytopenia?

The benefit of anticoagulation for prevention of stroke in patients with atrial fibrillation has been well established. However, the benefit is always to be weighed against the risk, in this case, ...
3
votes
1answer
22 views

Thrombotic events and antiphospholipid syndrome

If my understanding is correct, patients with antiphospholipid syndrome are at increased risk for thrombotic events 1 but in the same time, it is possible for these patients to have a thrombocytopenia ...
3
votes
1answer
454 views

Does a person's healthy hemoglobin level vary from country to country?

Every time I get my hemoglobin tested, I am always below average. The doctors here say that the "average" has been calculated according to values from western countries, and that they don't apply to, ...
2
votes
2answers
673 views

What should be done if a person is stabbed?

I have seen in almost all video-games and movies that when someone is stabbed by a sharp knife, the victim "takes out" the knife from his body. Does it help the victim in anyway? What should be the ...
2
votes
1answer
39 views

Take different blood components from different people

My aunt needs blood urgently, but she happens to be 0- and neither the hospital nor family and friends are able provide this blood type to her. However, I was wondering if it makes sense to take only ...
1
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1answer
392 views

Explanation of normal CRP during neutrophilia?

Let us assume we have a patient with this history and let us try to explain his/her normal CRP values on the end of this post given the fact of commorbid high fever and neutrophilia. The questions to ...
1
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0answers
31 views

High lyphocytes count in blood test

What is the lymphocytes counts limit which discriminates a recent infection from a CLL (Chronical Leukaemia Lymphocytosis)?
1
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0answers
15 views

Defining CPT 88184 Flow cytometry 1st marker

There are differing opinions in my office about how to bill for flow cytometry testing. To elucidate the difference, I need to give an example: A patient has blood drawn in the morning. The doctor ...
1
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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 ...
1
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0answers
20 views

Side Effects of Monitoring Blood Stream for Weeks?

Is there currently some safe method to monitor arterial blood for weeks while "living normally"? Essentially, do doctors monitor some people's bloods contents by attaching some device that constantly ...
1
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0answers
23 views

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 ...
1
vote
1answer
90 views

Venous PO2 and anemic hypoxia

Why does venous PO2 decrease in anemic hypoxia? Shouldn't it be constant as PO2 is a measure of the dissolved oxygen?
0
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1answer
148 views

Hemeatology vs Hematology

Is there a difference between "Hemeatology" and "Hematology" as physician medical specialties? Or are these spelling variants, like "Haematology" vs "Hematology"?