Doctor insights on:
Most Common Blood Tests Ordered
It depends: What is your idea of "accurate"? The lab test results need to be interpreted in the context of the clinical condition. Different tests have different sensitivity, specificity and predictive values. These characteristic vary with the population under consideration, e.g., the HIV screening tests have different performance when used on drug addicts vs. Observant nuns. ...Read more
It all depends: Lab tests are used to confirm what the history and physical exam suggest. Many forms of arthritis cannot be diagnosed with blood tests. Blood tests are most helpful when they are relatively specific for one type of arthritis, for example the ccp antibody in ra. ...Read moreSee 1 more doctor answer
OB labs: Depends on the doc. I get blood type and antibody screen. Complete blood count. Hepb, c. Hiv. Rubella. Syphilis. Cystic fibrosis or sickle cell screen. Glucose tolerance test. Additionally, i get a urine culture, gonorrhea/chlamydia test, pap smear (if due)... These aren't blood tests but part of most OB lab panels. ...Read moreSee 1 more doctor answer
Dermatomysositis.Wat are the blood tests needed,EMG results wheldl,refused tisue test,&muscle biop.wat are genetic blood tests,may explain kids sympt
Several things: but first, the muscles break down. Measuring muscle proteins in the blood (CPK, Myosin) will be positive if the disease is active. The pattern of the pain, violet eyelids, sky high muscle enzymes would be pretty diagnostic. Biopsy (which isn't taht bad) would be definitive. EMG (as painful as biopsy) would just show sick muscle. ...Read more
Biopsy: IBD is diagnosed by a combination of the clinical symptoms, duration, the appearance of the mucosa and areas of involvement on a colonoscopic exam, and taking biopsies. The tissue biopsies can give a very good idea of whether a case might be IBD, but since other processes can look similar, your Doctor uses all of the above to make the dx. ...Read moreSee 1 more doctor answer
No test is 100%: Accurate. Home pregnancy tests are generally accurate if performed correctly and about two weeks after a missed period. Blood tests may be positive sooner. All lab tests have false negatives and false positives and the test results need to be interpreted in the clinical context. ...Read more
How reliable are blood tests that look for monoclonal gammopathy in elevated ImM levels ? Are false negatives possible?
Risk: That may mean you are at higher risk to develop an autoimmune disorders in the future. Since you are suffering from back pain already at your young age, perhaps you should see a rheumatologist to find out if there is any autoimmune disorder affecting your back unless the cause for the back pain is already known. ...Read moreSee 1 more doctor answer
Which parasite?: Complex question. There are numerous techniques for examining body fluids and tissues for parasites, but which are employed depends upon the condition being looked for. If this is a colonic parasite, many can be detected by stool examination micro or macroscopically, or for some there are antibody or pcr antigen detection methodologies. See an infectious disease expert and get evaluated. ...Read more
In the lab: Great question. A great way to screen for intestinal cancer as cancers cause small amounts of bleeding, which is then passed in the feces. A less sensitive chemical method and more accurate immuno method can be used. Not all cancers will leak blood, blood in feces is not always cancer and other substances can have false results. Ask your doc about colonoscopy if >50 or family history of cancer. ...Read moreSee 1 more doctor answer
Here are some...: Tests for blood in urine include, not limited only for medical necessity of individual cases: urine -urinalysis, urine culture; blood - serum creatinine, BUN, etc.; imaging - US, CT, MRI, etc.; cystoscopy, retrograde pyelogram, ureteroscopy, biopsy, etc.. To delve summarily into hematuria, go to http://formefirst.com/hematuria.html. More? To www.HealthTap.com/dr-Lin with RQPWJC to login-I can help ...Read more
Depends on your MD: A complete blood count, rubella, varicella hepatitis blood type and rh, urine, std tests . There are some optional like testing for cystic fibrosis, thyroid disease , vitamin d levels. It really depends on your md practice . These are some of the routine tests done at the beginning of pregnancy. ...Read more
What are the most common reasons a test would be positive for fecal occult blood in a toddlers stool?
Anal fissure: Kids can push out a stool that is either bulky or oversized and cause a crack in the skin of the outlet. This is a relatively common cause of blood in the stool. They can also have irritation of the large intestines, and some infectious diarrheas that turn the test positive also. ...Read more
Fibromyalgia: There are no specific lab tests for fibromyalgia. It is generally a diagnosis of exclusion. You may wish to consult a rheumatologist. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex. ...Read more
What tests would be good to confirm malabsorption in the small intestine? Any blood tests or other tests used routinely? Thanks.
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