305 results found
Medical tests
… Information Test Overview Hepatitis C virus (HCV) test is a blood test that looks for the genetic material ( RNA ) of … causes hepatitis or for the proteins ( antibodies ) the body makes against HCV. These proteins will be present in … to the virus if you inject drugs or are exposed to body fluids (such as if you are a health care worker). You've had …
Medical tests
… helps balance the amounts of water and electrolytes in the body. (Water is the amount of fluid inside and outside the body's cells.) It is also … levels can be affected by how the kidneys are working, the blood pH , and the amount of potassium you eat. The hormone …
Medical tests
… (say "thor-uh-sen-TEE-sis") is a procedure to remove fluid from the space between the lungs and the chest wall. … and how soon to do it. If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it … keep taking it. (These medicines include aspirin and other blood thinners.) Make sure that you understand exactly what …
Medical tests
… chest pains. Check how well your heart is pumping blood. Check to see how well your heart valves are working. … in a vein in your arm. No electricity passes through your body during the test. There is no danger of getting an … heartbeat (ejection fraction) is normal. There is no excess fluid in the sac surrounding the heart, and the lining …
Medical tests
… picture of the chest that shows your heart, lungs, airway, blood vessels, and lymph nodes . A chest X-ray also shows … as an enlarged heart, heart failure , and problems causing fluid in the lungs ( pulmonary edema ), and to monitor … from the back. The other view is taken from the side of the body. But other views may be needed, depending on what your …
Medical tests
… dye and camera ( fluoroscopy ) to take pictures of the blood flow in the blood vessels of the lung . During an … days after the angiogram until the dye has passed from your body. This generally takes 24 hours. How It Is Done An … a vein in your arm so your doctor can give you medicine or fluids if needed. A device called a pulse oximeter, which …
Medical tests
… for twisting of the spermatic cord . This problem cuts off blood supply to the testicles ( testicular torsion ). Check … has come back. Find an undescended testicle . Check for fluid in the scrotum ( hydrocele ), fluid in the epididymis (spermatocele), blood in the scrotum (hematocele), or pus in the scrotum …
Medical tests
… destroying or damaging the cells they infect, damaging the body's immune system , changing the genetic material ( DNA ) … types of samples are used for a viral test. They include blood, urine, stool (feces), organ tissue, spinal fluid, and saliva. The type of sample used for the test …
Medical tests
… Test Overview Allergy testing involves having a skin or blood test to find out what substance, or allergen , may … they are rapid, reliable, and generally less expensive than blood tests, but either type of test may be used. Skin tests … (ELISA, EIA). It measures the blood level of a type of antibody (called immunoglobulin E, or IgE) that the body may …
Medical tests
… lungs put oxygen into and remove carbon dioxide from your blood. Types of lung function tests include: Spirometry. Gas diffusion. Body plethysmography. Inhalation challenge test. Exercise … let you know how well gases are being absorbed into your blood from your lungs. Gas diffusion tests include: Arterial …
