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Doctor insights on: Rapid Plasma Reagin Test

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What makes the plasma metanephrine test different? 

What makes the plasma metanephrine test different? 

Different from urine: The plasma test compared to the urine is newer and more sensitive. In other words if you have pheochromocytoma the plasma test is less likely to miss the diagnosis by coming back normal. ...Read more

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Plasma (Definition)

It is the fluid portion of both the blood and lymph system in which the ...Read more


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I had the "acth, plasma" test done. What is this for?

I had the "acth, plasma" test done. What is this for?

Test adrenal fxn.: This test is to check on whether or not your adrenal glands are working right. It is produced and secreted by the anterior pituitary gland. It is often produced in response to biological stress. Its action is to increase production and release of corticosteroids. A deficiency of acth results in secondary adrenal insufficiency and an excess of it results in cushing’s syndrome. ...Read more

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What is plasma used to test for, commonly, and what is serum used to test for, commonly?

What is plasma used to test for, commonly, and what is serum used to test for, commonly?

Clotting proteins: When plasma clots, fibrinogen and other blood clotting proteins are depleted. Serum is used for most tests such as electrolytes and liver function tests. ...Read more

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What is an acth plasma test for?

What is an acth plasma test for?

Test of pituitary: The pituitary makes acth. There are many things however which can raise or lower the level. It should be taken in the am. Ask your doctor why it was ordered. ...Read more

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What test do they run on plasma donations ?

What test do they run on plasma donations ?

Hepatitis, HIV, etc.: The usual tests done on plasma donations include: blood hemoglobin/hematocrit, plasma total protein, protein electrophoresis, hepatitis a/b/c, HIV 1/2, parvovirus b19, syphilis, varicella (chicken pox / shingles) virus, etc... Certain tests are required, while some tests are extra tests done by some companies. ...Read more

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What substances interfere with the plasma metanephrine test? 

What substances interfere with the plasma metanephrine test? 

Metanephrine: You should discontinue Epinephrine and epinephrine-like drugs for at least 1 week before the test, stop using Acetaminophen 48 hours beforehand, and fast for 8-10 hours prior to collection. It is especially important not to have any caffeine containing food (soda, chocolate), coffee (including decaf), tobacco (smoking cigarettes or cigars), tea, or alcohol for at least 4 hours before specimen coll. ...Read more

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I donate plasma my bood test came back abnormal protien.Whatdoes this mean?

I donate plasma my bood test came back abnormal protien.Whatdoes this mean?

Need more info: But if it was significant enough to defer your donation then you should see a doc to rule out serious causes for abnormal or increased protein level. ...Read more