### device | assay | biopsy:

Blood test
* Most blood tests are nonspecific and can only suggest that a person has an inflammatory process
  - detect presence
* Most blood tests help conditions
  - diagnoses
* Most blood tests measure average blood glucose levels
  - thyroid levels
* Most blood tests reveal decline kidney functions
  - liver problems
* Most blood tests show blood glucose levels
  - calcium levels
* Most blood tests show high blood glucose levels
  - hormone levels
* Most blood tests show low calcium levels
* Some blood tests can also help show some of the signs of shock
  - confirm pregnancy
* Some blood tests detect antibodies
  - deformities
  - physical deformities
  - help drug usage
* Some blood tests measure hormones
  - oxygen carbon dioxide
* Some blood tests reveal alcohol
  - anemia
  - blood lead levels
  - negative blood
  - toxic levels
* Some blood tests show abnormalities
  - babies
  - enzymes
  - fathers
  - health
  - mercury
* adjust the probability of a given diagnosis up or down depending on the result.
* are also available to diagnose allergies, but their use is more controversial.
* are also part of the evaluation for liver cancer
  - for pancreatic cancer
  - useful for diagnosis for some patients in some instances
  - another useful diagnostic tool for evaluating IgE-mediated food allergies
  - biopsy
  - medical tests
  - more expensive than urine tests
  - most specific for the levels of hormone
  - normal, even when the disability from pain, weakness, and stiffness is severe
  - sometimes necessary for people with other medical problems or with severe disease
* are the best method for detecting recent exposures to large amounts of PBBs
  - used more often , because they are easier to do
  - very accurate and can detect pregnancy by the second week after conception
* can also check for anemia.
* can be helpful in ruling out certain diseases
  - useful in establishing the progress of treatment
  - confirm the high glucose level and the buildup of acid in the body
* can detect delayed as well as immediate food allergies
  - hCG levels
* can determine if a person has iron excess
  - someone carrier
  - thyroid function or blood sugar is abnormal
  - problems such as mononucleosis
  - that leflunomide has been eliminated from the body
* can determine whether someone has had a reaction to beryllium dust
  - the amount of iron stored in the body is too high
  - which vitamin is in short supply
  - diagnose thyroid disorders
  - distinguish between the type of white cell seen in leukemia and that with mono
  - further rule out other disorders that mimic multiple sclerosis
  - give much information about the state of a patient's health
* can help determine what is happening
  - diagnose infection or determine if a person has been exposed in the past
  - evaluate and monitor the herd status
  - strengthen a doctor s suspicion
  - identify carriers
  - indicate anaemia and how much inflammation there is in the body
  - provide important information about heart muscle damage during a heart attack
  - reveal a low platelet level
  - show the presence of both viruses
* confirm diagnoses.
* detect abnormalities in people who have macroglobulinemia
  - the bacterium during fever episodes
* detects heart attacks in early critical stages
  - most forms of cancer
* give information on how well the liver is working.
* indicate megaloblastic anemia by revealing very large oval red blood cells.
* is biopsy
* measure the levels of certain tumor markers, or chemicals, in the blood
* play an important role in the diagnosis and treatment of many cardiovascular conditions.
* provide an indication of heart muscle damage.
* reveal an elevated erythrocyte sedimentation rate and neutrophilia
  - elevated thyroid hormone level and often elevated liver enzymes
  - little change from the mild elevations of bili and enzymes
* show a decreased growth hormone level
  - activities
  - decreased numbers of red blood cells, white blood cells, and platelets
  - elevated levels of substances known as blood urea nitrogen and creatinine
  - serum ceruloplasmin is low
  - that one or all of the different blood cell types are decreased
* to detect infection.
* to evaluate functions
  - gland functions
* to evaluate pituitary functions
  - measure levels
+ Syphilis, Diagnosis: Sexually transmitted diseases
  * A medical professional can confirm that a person has syphilis by testing the person's blood, or by looking at the blood under a microscope. Blood tests are used more often, because they are easier to do. However, blood tests cannot tell which stage of syphilis a person has.