Questions tagged [test-results]
The test-results tag has no usage guidance.
29
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Meaning/Abbreviation of IAAD IA & IAADIADOO
Did anyone ever come across any procedures/tests that starts with IAAD IA or IAADIADOO (Test for specific Pathogen). If yes, can you please tell me what does that IAAD IA or IAADIADOO mean or stands ...
5
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0
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What causes air bubbles/air glugs when getting blood drawn with a vacutainer system?
As I understand it, the vacutainer system used in modern phlebotomy should never result in air bubbles “glugging” into the vacutainer tube when blood is drawn from a patient.
However, today I learned ...
8
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1
answer
199
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Can a RT-PCR test claim 100% sensitivity and specificity?
A recent RT-PCR test for SARS-CoV-2 from a private laboratory lists the test's sensitivity and specificity as 100%. The test certificate lists this next to the result:
Ref. value/Норма
Negative (...
0
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0
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Why have we obtained significantly different results for moisture content on two different brands of moisture analyzers?
Our pharmaceutical laboratory has two moisture analyzers in use; one is Shimadzu MOC3u (MC-A), and the other is Mettler-Toledo HC103 (MC-B).
A sample from the same batch was put on each instrument to ...
4
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1
answer
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How long after COVID-like symptoms start can one still find out if what they had was COVID?
Suppose someone has COVID-like symptoms. Let's pick an arbitrary date; say they wake up coughing on February 1st, 2022, with no prior symptoms, and unknown potential exposure date.
If this person is ...
2
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1
answer
64
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Meaning of "lower limit of normal + 20% over basal value" in a description of a blood lactate analysis (after glucose load)
From "Alpers- and MNGIE-like disease with disturbed CSF folate transport and an unusual mode of genetic transmission of POLG mutations: a case report":
Basal serum lactate was normal (1.1–1....
5
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0
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64
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Blood tests for borrelia and their informative value
Disclaimer:
I am here as a highly medically interested person looking
for an explanation of an observed phenomenon, not for medical advice,
as it is not about my person.
I work in a diagnostic ...
1
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0
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Can the HS-Omega-3 Index be calculated from EPA and DHA?
I want to test my levels of Omega 3s, and I'm curious if it makes sense to test both the HS-Omega-3 Index and the EPA (Eicosapentaenoic Acid) & DHA (Docosahexaenoic Acid), or just the latter?
...
3
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0
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71
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Are false negative/positive results of COVID tests independent probabilistic events?
The gist of it
Though there are many types of Covid tests, I think none have 100% sensitivity or specificity. What I would like to know is if the event of getting, e.g., a false negative on two tests ...
1
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0
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Can an individual who has had a covid-19 vaccination test positive and is that a problem?
Can an individual who has had a covid-19 vaccination test positive and is that a problem?
Up to now and for some time to come, testing has been important to help control the spread of this disease.
...
7
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2
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What is the expected false positives/negatives for COVID-19 tests?
As of March 13, 45/301 people have tested positive/negative for COVID-19
in Florida. What is the expected false positives/negatives here?
UPDATE (March 14): 71/478 from what I consider the best ...
1
vote
1
answer
51
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What's the point of COVID-19 testing (for an individual)? [closed]
I feel I am missing something. If one has COVID-like symptoms, they should self-quarantine, seeking medical care if the symptoms get to a certain point. If one has no symptoms, but came into contact ...
9
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0
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173
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Is there any figure about the accuracy of COVID-19 tests? [duplicate]
Recently I saw the local media (Romania) presenting a case that was initially considered COVID-19 positive and two subsequent tests led to negative results. As far as I know no official bothered to ...
8
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1
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How is the eye score interpreted?
I recently called my Optometrist to get my eye score so that I could buy my own glasses from the chemist. I was expecting to get a "+2" or "+1" or something like that but instead they gave me ...
3
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1
answer
140
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Is the abbreviation"r/o" on a test report used in the declarative or imperative sense?
I read something similar to this on the radiologist's report for a chest/abdominal CT scan with contrast, in a section headed "NARRATIVE" and a sub-section headed "HISTORY." This is the only content ...
12
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1
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TPO (Thyroid Peroxidase) Antibodies - reference range change
A couple years ago (end of 2013) the reference range for TPO antibodies (TPOAb) was <35 IU/ml but now it's <9 IU/ml. That's a huge change (almost 4x). Does anyone know why it changed by so ...
8
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1
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82
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Do medical laboratories determine accuracies for their blood tests?
Do medical laboratories determine accuracies for their blood tests that have numerical results (as opposed to specificities and sensitivities for tests with binary results)? If so, where can I find ...
4
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1
answer
98
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Are medical units pertaining to blood-tests, etc. standard/universal? Or vary from country to country?
Are medical measurements/units pertaining to blood-tests and urine-tests standardized across the globe? Or are they different?
(I thought the metric system was standard in science, but when I was ...
5
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1
answer
6k
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Are metamyelocytes typically present on blood tests?
Is it normal to have metamyelocytes present on a blood test result? Basically, does it adhere to the standard morphology of the WBC & platelet or is it indicative of something abnormal?
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How does a typical electromyography result report look like?
How does a typical electromyography result report look like?
I'm not asking for usual values: I simply wonder what kind of graphs or tables I should expect that summarizes the results observed during ...
1
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0
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428
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What does it mean if my urine test is positive for ketones, hemoglobin, and leukocytes?
What would be some of the reasons/explanations as to why one's urine test would test positive for ketones, hemoglobin, and leukocytes?
I'm not even sure what ketones and leukocytes are.
Thanks.
2
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1
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Positive ANA test suggestive of Lupus/SLE, but is 1:160 still ambiguous?
I was referred to a Rheumatologist earlier this year due to all my symptoms: constant fatigue, getting sick all the time by every little thing, having unexplained fevers, having constant joint pain, ...
0
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1
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561
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Getting red spot after 3 days of Tb Skin test
My friend got tb skin test last three day. There is no swell spot or redness and the result of the test is negative. But on day 4, he start to have redness spot on the injection area and a bit itchy.
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1
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101
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is 1.319 IU/ML Helicobacter Pylori IGG normal?
Doctor suggested me H-pylori Stool test & now I have the report which indicates:
Test Name:Helicobacter Pylori IgG
Result:1.319 IU/ML
Normal Ranges:
< 0.9 --> Negative
0.9-1.0 --> ...
6
votes
1
answer
101
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Is it possible to not have BRCA1 and BRCA2 genes?
I had DNA analysis from 23andMe, however in the results there was no information about the BRCA1 and BRCA2 genes. Does that mean that I do not have these genes?
Does every human have these genes, or ...
1
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1
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80
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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 ...
2
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0
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61
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What type of exercise is optimal for reducing proinflammatory cytokines?
What type of exercise (HIIT, weight lifting, aerobic) is optimal for reducing proinflammatory cytokines (like TNF-alpha) and increasing anti-inflammatory cytokines (like IL-10)?
CRP levels drop with ...
1
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1
answer
79
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Possible reason/s for increases in neutrophil, platelet, and WBC levels at the same time?
I took a routine blood test today, and my results came back with three abnormal results that the laboratory flagged.
My WBC, platelet count, and neutrophil levels were all elevated:
WBC: 11.8
...
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0
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NIPT test results given results of combined test (in pregnancy screenings)
The NIPT test gives a probability of a baby having Down syndrome. Supposedly, this test is more accurate than the combined test.
However, I haven't seen any statistics regarding the accuracy of the ...