329 results found
Medical tests
… viruses. Viruses grow only in living cells. Viruses cause disease by destroying or damaging the cells they … ) of the cells they infect, or causing inflammation that can damage an organ. Viruses cause many types of diseases, … , chickenpox, measles , influenza (flu), and some types of cancer. Viral tests may be done for viruses such as: Herpes …
Medical tests
… is generally found in amounts equal to insulin . This is because insulin and C-peptide are linked when first made by … it is used for energy. The level of C-peptide in the blood can show how much insulin is being made by the pancreas . … eating and drinking before this test. Insulin and some oral medicines used to treat type 2 diabetes can change the test …
Medical tests
… sample to find germs (such as bacteria or a fungus) that can cause an infection. A sample of stool is added to a … If no germs grow, the culture is negative. If germs that can cause infection grow, the culture is positive. The type …
Medical tests
… ALP than the other organs or the bones. Some conditions cause large amounts of ALP in the blood. These conditions … (during puberty), bone disease (such as Paget's disease or cancer that has spread to the bones), a disease that affects … test is done to: Check for liver damage when you're taking medicines that can damage the liver. Help look for liver …
Medical tests
… to find an infection or to see how the body is dealing with cancer treatment. White blood cell types (WBC differential). … help find an infection, an allergic or toxic reaction to medicines or chemicals, and many conditions, such as … a doctor may want this blood test, including to: Find the cause of symptoms such as fatigue, weakness, fever, …
Medical tests
… glands called a pheochromocytoma . Tumours like this can cause your adrenal glands to release too many hormones. And … avoid dehydration . Your doctor may ask you to stop certain medicines, such as blood pressure medicines, before the …
Medical tests
… spinal tap, a needle is carefully inserted into the spinal canal low in the back (lumbar area). Samples of CSF are … procedure. Why It Is Done A spinal tap is done to: Find a cause for symptoms possibly caused by an infection (such as … A spinal tap may also be done to: Put anesthetics or medicines into the CSF. Medicines may be injected to treat …
Medical tests
… body is making enough antidiuretic hormone (ADH) . Find the cause of seizures or coma. In severe cases, these can be caused by an imbalance between water and electrolytes … low level of salt in the blood. This can be caused by some medicines, including diuretics and certain blood pressure …
Medical tests
… TRH then triggers the pituitary gland to release TSH. TSH causes the thyroid gland to make two hormones: … properly. An underactive thyroid gland ( hypothyroidism ) can cause symptoms such as weight gain, tiredness, dry skin, … periods. An overactive thyroid ( hyperthyroidism ) can cause symptoms such as weight loss, rapid heart rate, …
Medical tests
… for the normal development of a baby (fetus). Folate can be measured in the liquid portion of blood ( plasma ). … anemia . Mild folate deficiency often does not cause any symptoms. Severe folate deficiency may cause a … water) for 8 to 10 hours before the test. If you take any medicines regularly, your doctor will talk to you about how …