Questions tagged [blood-tests]

Questions about tests of the blood that help to estimate the component(s) in it.

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125 views

Is there a synergistic effect between phosphate and testosterone in respect to Physiology?

For example: A patient's blood analysis results come through, and it states that the patient has high testosterone and high phosphate levels. What are the likely causes of this, assuming/...
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114 views

Check Lithium Related Side Effects Without Blood Test

Situation: A middle aged patient with no health insurance and a well documented history of moderate to severe bipolar disorder visits a low cost clinic. The patient has a just lapsed lithium ...
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5k views

Specialist to treat low Sodium

My 74 year old Dad has lower Sodium and Chloride than normal in his bloodwork. After taking 1/2 teaspoon of salt with his dinner, the Sodium and Chloride levels are still low, but blood pressure is ...
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40 views

Why do Vacutainer blood containers contain additives? Are they really necessary and have an effect on blood analysis? [closed]

Just a basic medical science question. Is a vacutainer necessary for use in venous whole blood sample collection? Also is the needle with plastic holder required? Can we not draw blood using a sterile ...
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1answer
25 views

Blood pH when exercising. Rising pH? Maybe somehow related to lactic acid and hyperventilation [closed]

Exercise generally acidises the blood. I'm looking for information on the timing of onset and how long this lasts after the exercise. Furthermore, I'm looking for info on alkalization of blood caused ...
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1answer
62 views

Blood count and adenovirus vaccines

Some covid-19 adenovirus vaccines including AstraZenca and Johnson & Johnson are found to have potential link to a rare albeit serious side effect resulting in blood clots with low platelets, ...
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1answer
90 views

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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1answer
67 views

What would be the chances of catching HIV when getting a blood donation from a man who has sex with Men?

Around the world organizations that seek blood donations usually have a policy to discourage men who have sex with men (MSM) from donating blood. This is due to the risk of Human Immunodeficiency ...
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1answer
2k views

Risk of HIV transmission during blood test?

If I as an healthy individual get my blood work done for preventative reasons (health checkup etc...) at mass testing labs (Labcorp) or smaller local internal medicine practices - what are the chances ...
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1answer
77 views

Hospital says their blood test caused sepsis. How serious is this?

My wife went to an Ontario (Canada) public hospital and they performed a blood test, among other things. The test revealed a presence of bacteria in the blood. They said they will send it for analysis ...
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1answer
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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19 views

What are the basic reasons for normogonadotropic hypogonadism?

I'm can't fine the full known scope of reasons of male normogonadotropic hypogonadism. From this article I see the two basic reasons: Gonadal dysgenesis variants (residually functioning ovarian ...
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29 views

What's the term for fainting when you get a needle without apprehension?

So I will often faint when I get a needle, both for vaccinations and blood tests. This is not because I have any apprehension about the needle. If I lie down for the needle rather than sitting it has ...
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16 views

Does half a gram/dl Hb increase have clinical significance?

In relation to an Indian paper that attributed this observed change to a mask mandate (also being discussed on Skeptics) Mean Hb of blood donors in Group 2 (15.01 ± 1.1 g/dl) was higher than Group1 (...
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17 views

Does Water Affect Aggregation/Clumping of Red Blood Cells?

I am developing a laboratory experiment that involves looking at human blood under a microscope. In particular, I will be looking at how the red blood cells aggregate or clump when a human subject is ...
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29 views

Could NSAIDs lift bilirubin level?

If one takes 800 to 1200 mg of ibuprofen a day for 3 to 4 weeks, could that lift total bilirubin level to around 28 micromole/litre and direct bilirubin to around 8 micromole/litre?
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29 views

What does a low serum creatinine indicate?

The normal serum creatinine range is [0.80-1.60] mg/dl. If a person's creatinine level is slightly less than 0.80 mg/dl, what does it indicate?
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52 views

Can a minor burn influence blood/fecal test results?

If a person sustained a minor burn on their hand from touching a hot object (2-3 hours after the burn there is only some red skin and little pain), and is meant to do blood and fecal tests in the ...
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1answer
16 views

What does CRP decreased result means within 2 months [duplicate]

What does it means when you repeat all your blood test between 2 months and all the result are within range and exactly the same as previously, but a test called CRP decreased from 2 to 0.98. Does it ...
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38 views

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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1answer
134 views

Inferring vitamin D level from levels of parathyroid hormone, vitamin B6 and calcium

Given a blood test that contains the levels of parathyroid hormone, vitamin B6 and calcium, how to infer the level of vitamin D?

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