Doctor insights on:
Is A Negative A Rare Blood Type
Blood type: Consists of blood group a, b, ab or o combined with rh factor positive or negative. Lacking this cell surface marker (rh negative), neg folks cannot take blood products from people who are rh positive, as your body will reject them, followed by blood group. Rh negative folks are not rare in number. They are simply more restricted, based on that neg factor, from whom they can receive. ...Read moreSee 1 more doctor answer
Important: It is best to test cga before surgery for carcinoid to make sure that the tumor produces it. About 80% of the tumor produce it, so it is a good bet that the tumor produces it if pre-operative testing was not performed. The test should normalize after surgery and should be monitored on a routine basis. If the level starts to rise it can be an early indicator that the tumor has returned. ...Read moreSee 1 more doctor answer
Common: It all depends how hard the physicians look. In one study, 13% of healthy folks had a bit of cryofibrinogen on board. On the other hand, if (as i think your previous questions have suggested) you developed severe symptoms in the cold, or ulcers that were not explained, maybe you're one of the few people for who a cryoprotein of some sort really is a problem. Best wishes. ...Read moreSee 1 more doctor answer
My husband blood type is B negative and my blood type is O positive is it possible to have a child that's blood type is O positive?
Yes, not Right Issue: Blood type: thousands of proteins on the surface of cells. Abo & rh were the first 2 & most important (in terms of transfusion reactions) types characterized historically. There are hundreds more "types". O means neither a or b. A means a from 1 parent. B means b from 1 parent. Thus a+a, b+b, a+b or o. Rh+ means present. Rh- means not present. A o+rh- mom might reject a+b+rh+ fetus but usually ok. ...Read more
How is it possible for a blood test find a male "y" chromosome in a females blood after she got a kidney transplant?
Microchimerism: The leukocytes in the transplanted kidney may enter the circulation of the recipient and stay there for years. If the donor was a male the circulating lymphocytes form the donor would carry a y chromosome. ...Read more
Neuro- Exam/No test: There is no simple one test for stroke diagnosis. It will require you to have a neurological evaluation provided you have some/any neurological symptoms like dizziness, loss of consciousness, loss or change in vision and provided you are at risk for a stroke due to high BP or high cholesterol levels. If you are not sure, go see your family doctor or an internist. ...Read more
It depends: Blood tests tell many things about the thyroid, including whether it's overactive (hyperthyroid) or underactive (hypothyroid). They detect anti-thyroid antibodies as well. These things cannot be confirmed without blood tests. Other thyroid diseases, such as nodular disease and cancer cannot be identified alone by blood test but require physical exam, possibly ultrasound, and possibly biopsy. ...Read moreSee 1 more doctor answer
Not really: High blood protein can be seen in different settings like in infections, chronic inflammation, chronic diseases, or sometimes in condition like plasma cell disorders. It is not specifically associated with and it is not particularly a sign of hodgkin's lymphoma . If you are concern about your health condition, you should go to see your doctor and discuss in detail with your doctor. ...Read more
If there is a cross- reactivity during an elisa test is it possible to end up with a false negative as a result?
False positives: Cross-reactivity can cause false positives (meaning that the test is positive but the actual substance tested for isn't there). The happens when an antigen (virus, protein or bacterium) is so similar structurally that it reacts with the same antibody that the test is designed for. For example, the antibody test for latex allergy can sometimes cross react with a protein in bananas! Crazy, huh? ...Read more
Not by blood test: Migraine is diagnosed clinically--meaning it is diagnosed based on your symptoms/pattern/duration and history etc..Migraine is quite different from other types of headaches and a well-trained physician can make the diagnosis quite reliably. There is currently no blood test or scan that can diagnose migraine at this time. Consult doc. A neurologist may be needed. Good luck. ...Read moreSee 2 more doctor answers
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