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Doctor insights on: Tomography Test

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Computed tomography test for chest pain?

Computed tomography test for chest pain?

ChestCT: Done in many emergency rooms as a way to look for pulmonary embolism, dissection of aorta, sometimes coronary artery blockage if contrast is used with specific protocols. ...Read more

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Tomography (Definition)

Old fashioned tomograms used a moving x-ray source and flat detector to image at a certain depth in a patient. Most commonly this was used to image the kidneys. The most common tomograms used today are in cat scans, or computer assisted tomography. An x-ray source and multiple detectors spin around you, and the data is reconstructed by a computer into a slices, or ...Read more


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Positive quantiferon gold test but negative xray?

Positive quantiferon gold test but negative xray?

See below: It means that you have been exposed to tb. A chest x-ray that is positive would indicate either past or active infection. ...Read more

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Could CT scan's detect glaucoma?

Could CT scan's detect glaucoma?

No: The issue is glaucoma is elevated eye pressure which usually does not distort tissue in the eye in the range of a ct scan. There are many tests useful to discover glaucoma which your ophthalmologist can obtain for you.. ...Read more

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Is a CT scan a reliable test to detect bone cancer?

Is a CT scan a reliable test to detect bone cancer?

It is one option: Bone Cancer can be imaged with Bone scans, X-rays, CT scan and MRI scans. A good oncologist or radiologist can help to choose the more most appropriate imaging test/s ...Read more

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Could computed tomography angiography show heart problems?

Could computed tomography angiography show heart problems?

CTA: Cardiac computed tomographic angiograpy is performed to try and diagnose cardiac anatomy and pathology. It doesn't diagnose everything but can provide very useful information that often yield a diagnosis if the study is ordered appropriately. ...Read more

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Does urinalysis occult test detect cancer?

Does urinalysis occult test detect cancer?

No: Testing urine for cancer cells as screening of after treatment is not routine. Specific assays are being refined for detection. Finding occult blood or proteins may prompt evaluation but again most often does not lead to cancer diagnosis. ...Read more

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3 days late 2posative clear blue digital test 1negative cheap test a negative doctor test. Am i pregnant?

3 days late 2posative clear blue digital test 1negative cheap test a negative doctor test. Am i pregnant?

If doubt then : There is not a way that we can tell you if you are pregnant if you have done one test that is positive and one that is negative. We would simply be guessing which test is correct. In this case you will need to see a doctor for a blood bhcg test. ...Read more

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Is the lloyds pharmacy home HIV blood test accurate?

Is the lloyds pharmacy home HIV blood test accurate?

Unsure: There are only a couple of fda approved home HIV test kits. Lloyds may just be distributing a test for another company. You should go on-line and specifically see if an fda approval has been issued for the name of the manufacturer. Make sure you test exactly as stated, no exceptions. Follow instructions explicitly for the results to be meaningful. ...Read more

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Please interpret- C.trachomatis RNA TMA Result: Detected. Standard range: Not detected. Test performed using the Aptima Combo2 (R) assay gen-probe(r)

Please interpret-
C.trachomatis RNA TMA Result: Detected. Standard range: Not detected. Test performed using the Aptima Combo2 (R) assay gen-probe(r)

You have chlamydia: "Detected" means the test found chlamydia -- i.e. a positive result. Return to the doctor or clinic where the test was done for treatment. (If you tested yourself at a lab, see a doctor or clinic ASAP.) Your current or recent sex partner(s) also need treatment. Good luck! ...Read more

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Is the A1c test an accurate test for detecting diabetes?

Is the A1c test  an accurate test for detecting diabetes?

Yes, it is.: The HgbA1C is a measure reflective of your degree of diabetic control in the long term. It essentially represents a three month average of your fingersticks, as if you took a fingerstick every minute, night and day, eating and fasting, for three months straight and then averaged them all. Technically, it's the percentage of red blood cells that have glucose attached to them. ...Read more

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How accurate is 3 week ELISA blood tests on hiv? Elisa test is the newest HIV detection test?

Very accurate: The elisa assay is one of the longest standing tests for antibodies to hiv. Positive results must be confirmed using western blot or other tests. If negative at 3 wks you should be retested at 3 and 6 months to be absolutely certain, but those latter tests are rarely positive if the 3 wk test was negative. Be safe. Have only protected sex until both partners assuredly negative, and monogamous. ...Read more

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What does quantitative igg subclass measurement blood test show?

What does quantitative igg subclass measurement blood test show?

IgG subclasses: There are several classes of immunoglobulins like IgA, IgM, and IgE. IgG also has subclasses that we test for. A subclass deficiency can be an explanation for susceptibility to certain types of infections. An Allergist/Immunologist can put the results in perspective for you in the context of your history. ...Read more

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Is a four week negative HIV antibody test / negative PCR test reliable?

Is a four week negative HIV antibody test / negative PCR test reliable?

HIV diagnosis: Antibody titers have been reported to be delayed as long as six months, but this is very unusual. A negative pcr for viral RNA is virtually determinative of the absence of infection. ...Read more

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How reliable is oct scan in diagnosing glaucoma?

How reliable is oct scan in diagnosing glaucoma?

Maybe: The diagnosis of glaucoma relies on many pieces of data. The shape of the optic nerve, retinal nerve fiber layer thickness, visual field testing, c:d volume and rim thickness, intraocular pressure and changes in these parameters over time. It is rare for only one to be abnormal i would suggest a second opinion before starting treatment. Don't just ignore the possible DX , glaucoma can blind. ...Read more

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What is nuclear magnetic resonance spectroscopy?

What is nuclear magnetic resonance spectroscopy?

MRS or MRI: MRI is magnetic resonance imaging a type of medical imaging MRS is MR spectroscopy a rarer medical type of exam based on the science behind MRIs in part aimed at either parts of the brain or perhaps skeletal muscle to evaluate metabolism at times....both would be done in an MRI facility. when developed the nuclear part of both was dropped so as to not scare people about it.... ...Read more

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Is computed tomography angiogram cta a very common procedure?

Is computed tomography angiogram cta a very common procedure?

CT angiogram: It is being done much more often when it is necessary to visualize blood vessels (for example to see if there's a blockage). There is some radiation involved but it is considered much less "invasive" and has less complications than the regular type of "angiogram", where blood vessels are visualized by inserting thin tubes called catheters directly into them to inject a dye. ...Read more

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