Questions tagged [diagnostics]

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2
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2answers
50 views

When is an MRI also an MRN?

I'm not a medical professional. I have just noticed the mention of MRN - Magnetic Resonance Neurography as a diagnostic tool for nerve issues. Now, I know that MRN is essentially a kind of MR ...
2
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0answers
27 views

Looking for an ECG anomaly detection tool

In a few months I will be conducting a study where we take participents ECGs and try to measure stress levels from that using machine learning. I am also involved in pre-processing the data, meaning ...
4
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1answer
62 views

What is Clinical Decision Support (CDS)? [closed]

What is Clinical Decision Support (CDS)? What is the official reasoning behind making CDS mandatory for Electronic Health Record (EHR) applications?
5
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1answer
66 views

Beyond correlation, why is Frank's sign significant or not?

The Wikipedia lists Frank's sign as Frank's sign is a diagonal crease in the ear lobe extending from the tragus across the lobule to the rear edge of the auricle. The sign is named after Sanders T. ...
6
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2answers
306 views

Is the Zimnitsky Urine Test used in the West at all? What tests are used instead?

The Zimnitsky Urine Test (Проба по Зимницкому) is a test used in Russia to assess the kidneys' capacity for concentration of urine. Here's one English-language description (choose "select all" ...
3
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1answer
44 views

How to determine at what percentage an organ is functioning vs. what is expected?

Example: Patient presents acute renal failure that has rapid progression. Patient asks upon consultation “At what percent are my kidneys functioning to what they should be”. Physician responds with “...
2
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1answer
125 views

What might be the cause of this unexplained, prolonged groin pain symptom [closed]

Imagine a medical case of someone experiencing a prolonged, unexplained pain symptom in his lower left abdomen and groin area. Feeling the worst when sitting down, but much better standing up or lying ...
2
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2answers
44 views

How is the workflow of physical examination's documentation in the USA exactly?

e.g. do you use paperforms, EHR masks? Do you type directly into a physician letter? In Germany we use mostly a paper form in the first place and afterwards we document the results into a report. You ...
1
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0answers
43 views

Diagnose angina (chest pain) by taking Nitroglycerin

Since nitroglycerin relieves the symptoms of angina (chest tightness, heavy feeling), why not to diagnose angina with Nitroglycerin? If the pain goes away upon taking Nitroglycerin then you have ...
1
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0answers
20 views

Why is lactate dehydrogenase used to differentiate exudates from transudates?

When differentiate transudates and exudates, the ration between effusion LDH and serum LDH is used: They are termed exudates if ... the pleural fluid to serum ratio of LDH (LDHR) is > 0.6, and ...
2
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2answers
215 views

How is myocarditis diagnosed?

How is inflammation of the hearth muscle (myocarditis) diagnosed? What are typical symptoms? What is it commonly mixed up with? How do you differentiate reliably?
0
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2answers
78 views

Why have I been fatigued/exhausted for the past month? [closed]

For the past month, I've been feeling extremely fatigued, exhausted, out of breath and even light headed! I know I've been sleeping as usual. I can't even bend over, lift things, I can even exercise ...
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0answers
21 views

Elbow Ligament/Tendon Injury Diagnosis-Aid?

When a patient comes into the office with what seems like an injury to the ligaments/tendons around the elbow, what are the "exercises" that the physician uses in order to identify or pinpoint the ...
4
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1answer
76 views

What are the online blood testing services that allow to pick and choose exactly what test you want?

I know there are now several competitive online blood test companies that offer a menu of bundled blood test services in the US. I am looking for a US based service that would disaggregate their ...
3
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0answers
141 views

Does the number of teslas matter when evaluating a tendinopathy with an MRI scanner?

The number of teslas in MRI scanners vary between 0.2 and 7 teslas, and sometimes even up to 10.5 Teslas (Siemens MAGNETOM 10.5T) and 11.7 teslas (Siemens MAGNETOM 11.7T). Does the number of teslas ...
1
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1answer
380 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 ...
4
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1answer
92 views

Uremic encephalopathy, diabetes, and halucinations

I'm in highschool, interested in patient diagnosis and treatment and that's why I'm asking this question. I've recently heard about a patient with end-stage uremic encephalopathy and diabets. He has ...
1
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1answer
59 views

How to know whether an inflammation is present in a tendinopathy?

I wonder how to know whether an inflammation is present in a tendinopathy. In other words, how to distinguish a tendinosis from a tendonitis. http://physical-therapy.advanceweb.com/Features/Articles/...
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0answers
38 views

Omics vs Classic Blood Sample

It seems to me that omics data offers much more information than a classic biochemical blood analysis does. Are there more features that can be known from a patient blood sample using omics data in ...
7
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1answer
73 views

How effective/accurate are pill cameras for diagnosing Crohn's disease?

How effective/accurate is wireless endoscopy (pill camera) for diagnosing Crohn's disease?
4
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1answer
2k views

Is fecal occult blood test (EZ Detect) effective if urine is in the toilet bowl?

The patient used an EZ Detect fecal occult blood test. The test was positive. She saw a tiny blue circle on the piece of paper indicating trace of blood in her stool. But, she indicated there was ...
12
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3answers
321 views

How is pain measured?

Patients are often asked to rate their level of pain. Usually, I have found that these questions come without instructions as to what constitutes the maximum on this scale (maximum pain you can ...
3
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1answer
71 views

MRI scans for diagnosing Crohn's disease?

How effective/accurate are MRI scans of the small intestine for diagnosing Crohn's disease?
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0answers
16 views

What are the differential diagnosis 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?
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1answer
27k views

Myelocytes present in CBC

0.1 X10E3/uL Myelocytes It says the normal range is 0. Is there something wrong with having that many myelocytes?
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0answers
28 views

What could cause transient binocular vision loss? [duplicate]

I have episodes of transient binocular vision loss. The progression of an episode is very predictable: I start noticing some letters missing in text. Slowly, it evolves to a point half of my vision is ...
1
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0answers
26 views

Identifying an anatomical cause for an epicondylitis

One possible cause for an epicondylitis is anatomy (see the 4 references below, non-epicondylitis specific). How to identify whether anatomy is the cause of a lateral epicondylitis? Holston Valley ...
8
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1answer
105 views

Munchausen syndrome by proxy, caregiver and care receiver relation

Does Munchausen Syndrome by Proxy only apply to a parent (caregiver) and his/her child (care receiver)? Or does it apply to any relation between a caregiver and a care receiver with that kind of ...
9
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1answer
417 views

How do you monitor possible Lyme disease after a treated infection?

A patient was diagnosed (through blood tests) with Lyme Disease after a tick bite and treated with first oral and then intravenous antibiotics, apparently successfully. The patient saw the physician ...
2
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1answer
31 views

Does FPIES ever present with widespread non-specific intolerance?

FPIES (Food Protein-Induced Enterocolitis Syndrome) is a non-IgE mediated response to proteins. We have an infant that has had classic severe acute FPIES reaction to poultry. In addition, every food ...
5
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2answers
166 views

What are the dangers of screening tests in overdiagnosis and overtreatment?

I have recently seen a number of articles in the lay public print on overdiagnosis, for example in the New York Times, Study Points to Overdiagnosis of Thyroid Cancer. In the article, they state that ...
4
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1answer
656 views

Is herpes simplex/cold sore on the thigh considered a sexually transmitted disease?

When I was a kid I got a cold sore / herpes simplex (1, I think) on the thigh. As far as I know, I haven't had any cold sores on the actual genital area, and it's been a while. I wonder if this is ...
10
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2answers
234 views

How to detect cancer in general?

Can a common blood test spot cancer in general? Or is it necessary to take some specific tests for each kind of cancer?
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0answers
51 views

Validity and Utility of medical tests [closed]

Medical tests are characterized by validity and utility: Validity is the probability that the test results are correct. Utility is the usefulness of having correct results (e.g. how much life-time ...