329 results found
Medical tests
… glands. Check for a tumour in the adrenal glands. Find the cause of high blood pressure or low blood potassium levels. … test. Do not eat foods that are very salty, such as bacon, canned soups and vegetables, olives, bouillon, soy sauce, … natural black licorice for 2 weeks before this test. Many medicines may change the results of this test. Be sure to …
Medical tests
… ), and it helps the body manage stress. Cortisol levels can be affected by many conditions, such as physical or … . The timing of the cortisol test is very important because of the way cortisol levels vary throughout a day. If … down and relax for 30 minutes before the blood test. Some medicines, such as steroids, can affect cortisol levels for …
Medical tests
… is usually one of the first tests done to help find the cause of sperm-related infertility problems. Tests that may … motility. This is a measure of the percentage of sperm that can move forward normally. The number of sperm that show … days before the test. Be sure to tell your doctor about any medicines or natural health products you take. How It Is …
Medical tests
… find germs (such as bacteria, a virus, or a fungus ) that can cause an infection. A sample of skin, tissue, or fluid is … If no germs grow, the culture is negative. If germs that can cause an infection grow, the culture is positive. The …
Medical tests
… Some diseases, such as severe forms of thalassemia , may cause hemoglobin A levels to be low and hemoglobin F levels … diseases that do not have symptoms, or cause diseases that can be life-threatening. For example, hemoglobin S is found … is done to: Find each type of hemoglobin in the blood. This can be used to diagnose certain types of anemia (such as …
Medical tests
… gout , pseudogout , inflammation , or bleeding. The test can help find the cause of joint pain or swelling. Normally, only a small … test. Or your doctor may tell you to keep taking it. (These medicines include aspirin and other blood thinners.) Make …
Medical tests
… large intestine, or colon, all the time. They usually don't cause problems. But sometimes, something causes the bacteria … swollen. This problem is called C. diff colitis . C. diff can be passed from person to person. But the infection is … used to kill bacteria that cause infection. But they also can destroy some of the normal "good" bacteria in the colon …
Medical tests
… how long it takes blood to clot. A prothrombin time test can be used to check for bleeding problems. PT is also used … clotting factors. Prothrombin time is an important test because it checks to see if five different blood clotting … PT can be caused by treatment with blood-thinning medicines, such as warfarin or, in rare cases, heparin. …
Medical tests
… decisions. Results The organism causing the infection can be identified. Other tests can determine which antibiotic will be most effective in … decisions. Results The organism causing the infection can be identified. Other tests can determine which …
Medical tests
… Test Overview A herpes simplex virus (HSV) infection can cause small, painful sores that look like blisters on the … mouth, urethra , rectum, and vagina. In rare cases, HSV can infect other parts of the body, such as the eyes and the …
