Questions tagged [blood-tests]

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

28 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
6
votes
0answers
120 views

Does the “Dawn Phenomenon” of blood sugar apply to non-diabetics?

I bought myself a $15 blood sugar testing kit the other day because I've been experiencing some health things that are rare for me such as migraines (I rarely have had headaches my entire life) and a ...
4
votes
0answers
47 views

Does Blood Testing give meaningful insights in Vitamin/Mineral Deficiency?

I yesterday watched the documentary Vitamania by Dr Derek Muller, which is about the production, benefits and risks of vitamin supplements. In the film, he briefly talked about people being blood ...
4
votes
0answers
83 views

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?
4
votes
0answers
48 views

Is it worth testing regularly for oxidative stress?

I have read that oxidative stress is associated with neurodegenerative diseases, cardiovascular disease, ageing, cancer, and diabetes. Popular health 'buzz' would suggest consuming antioxidant ...
2
votes
0answers
21 views

DIY hypernatrimia test

Is there a reliable, accessible blood test kit that can be administered at home to monitor hypernatrimia ? I understand that because sodium does not produce colored compounds, serum sodium cannot be ...
2
votes
0answers
27 views

Is low immature reticulocyte fraction after an acute hemolytic crisis normal?

All following data are theoretical and not real: A patient had a hemolytic crisis without anemia proven by elevated reticulocytes, elevated unconjugated bilirubin and normal hemoglobin and erythrocyte ...
2
votes
0answers
13 views

Why are there different blood sugar measurements?

I've been reading about health and wondering why blood sugar measurements are different. Why do these different sites use different measurements and give different numbers? Examples: Less than 100 ...
2
votes
0answers
123 views

Difference between mmol/l and mg/dl for blood glucose measurement

I'm in the process of preparing a short lecture on hypoglycemia. In the process, I discovered that blood glucose levels can be expressed in the measurement of millimoles per liter or milligrams per ...
2
votes
0answers
42 views

What metric is used to measure estrogen levels?

I have had a blood test recently and over the phone I was told by a doctorthat my oestrogen level is high. I'm a man and was told my level is "190, but the average is 150". 190 what? I forgot to ask ...
2
votes
0answers
42 views

How accurate are blood count tests?

I just started to read about blood count, I am wondering how accuratelly can be determimed the number of red blood cells in case of Rouleaux formation or agglutination of red cells?
2
votes
0answers
3k 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 ...
2
votes
0answers
129 views

Can superficial injury and exercise elevate AST and LDH levels?

Reading the information available here and here, it's stated that both exercise and other injuries can cause elevated results on a couple of indicators commonly used to measure liver function. ...
2
votes
0answers
889 views

EverlyWell - legit?

EverlyWell is a lab testing startup. I'm looking at their food sensitivity test, didn't find a whole lot of independent info online (other than blogger reviews that were paid by the company). Is it ...
2
votes
0answers
8 views

Why cold on the back hurts more than cold in the front?

I'd rather have appended this to the health group, but I guess the biology se was better for this. The question is, why is it that the cold, on the back, hurts, whereas the cold on the front, arms, ...
1
vote
0answers
32 views

Can certain medications cause false positives for COVID-19?

I was told by some colleagues at work that certain medications if they were taken by a person can cause antibody COVID-19 tests to test positive, is it possible ? If so how is that possible ?
1
vote
0answers
37 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
vote
0answers
31 views

Is there any data about the significance of a blood serotonine level test and links to depression or other psychiatric diseases, or simply mood?

What does low or high blood serotonine levels tell us. Is there any data on the link between certain conditions and serum serotonine concentration?
1
vote
0answers
32 views

Is undermethylation considered a legitimate diagnosis?

Apparently undermethylation can be diagnosed using blood work. I googled it a bit, and what I saw seemed to suggest that it isn't widely accepted in the medical community. I'm wondering how ...
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 ...
1
vote
0answers
14 views

Covariance matrix for Complete blood count

What is known about a (multivariate) statistical distribution of complete blood count? Especially about the covariance or correlation matrix (in a healthy population).
1
vote
0answers
31 views

Plasma concentrations Of Beta-Carotene and Retinol

I'm doing an analysis, and retinol and beta carotene are involved. I need to know : 1) Normal levels of dietary beta carotene and Retinol consumed (mcg per day); 2) Normal levels of plasma retinol ...
1
vote
0answers
53 views

Clarification with a prescription for blood tests

I have a pro long condition of hair loss. I consulted a dermatologist and he gave me list of blood tests which I should do before the next consultation. I have difficulty in reading one of the items ...
1
vote
0answers
34 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).
1
vote
0answers
120 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/...
1
vote
0answers
20 views

What are the differential diagnoses of increased ferritin?

What are the possible causes of increased ferritin in a 69 year old man who is otherwise normal and who is not anemic?
0
votes
0answers
28 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?
0
votes
0answers
28 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?
0
votes
0answers
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 ...