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blood test

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blood test

Laboratory evaluation of a blood sample. There are numerous blood tests, from simple typing to establish the blood group to sophisticated biochemical assays of substances, such as hormones, present in the blood only in minute quantities.

The majority of tests fall into one of three categories: haematology (testing the state of the blood itself), microbiology (identifying infection), and blood chemistry (reflecting chemical events elsewhere in the body). Before operations, a common test is haemoglobin estimation to determine how well a patient might tolerate blood loss during surgery.



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? Mentioned in ? References in periodicals archive
 
Maternal-foetal medical specialist Jan Dickinson of Perth's King Edward Memorial Hospital said the blood test technique was based on the discovery that foetal DNA can cross the placenta and can therefore be found in the maternal blood supply.
Officials at the Centers for Disease Control and Prevention said the OraQuick blood test is still accurate and urged that all positive oral-fluid tests nationwide be immediately followed up with OraQuick's rapid finger-stick screening, which provides results in about 20 minutes.
VALENCIA - A one-step blood test for tuberculosis developed by a local company could be used alongside the traditional skin prick test, according to new guidelines published by the Centers for Disease Control and Prevention.
 
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