277 results found
Medical tests
… genetic material ( DNA or RNA ) of HIV in the blood or another type of sample. This can show if an HIV infection is … repeated to confirm the diagnosis. If ELISA is negative, other tests usually aren't needed. This test has a low … to the virus. Genetic material may be found even if other tests are negative for the virus. The PCR test is very …
Medical tests
… bypass surgery, especially if the person has chest pain or other symptoms. See how well medicine or other treatment for angina or an irregular heartbeat is … or hospital gown. Avoid wearing any restrictive clothing other than a bra. You may want to stretch your arm and leg …
Medical tests
… that uses sound waves. It takes pictures of the organs and other structures in your body. It can be used in different … It may be used to find the cause of pain in your belly or another part of your body. Or it can be used to look for a … may also be used to help guide the placement of a needle or other tool during a biopsy. How to Prepare In general, …
Medical tests
… It also helps the body use energy and is needed to move other electrolytes (potassium and sodium) into and out of … of magnesium is normally present in the blood. Tests for other electrolytes, such as calcium, potassium, sodium, and … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may …
Medical tests
… Overview Myoglobin is a protein found in heart tissue and other muscles. It is released into the blood after damage to the heart or other muscles. Damage can occur from a serious event such as … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may …
Medical tests
… hormones that regulate the way the body uses energy and other substances through the blood. When prealbumin levels … well supplements or protein replacement fluids are working. Other health problems also may cause your levels to drop. You may need another blood test to be sure that a poor diet is the reason …
Medical tests
… control, either you must not have sex or you must use another method of birth control for 8 to 16 days of every menstrual cycle. Other methods include diaphragms and condoms. So you must … Avoid pregnancy. A couple can avoid intercourse or use another method of birth control around the time of ovulation. …
Medical tests
… bone is made. As this occurs, our bones lose calcium and other minerals. They also become lighter and less dense. … are blocked by bone and soft tissue are compared to each other. DXA can measure as little as 2% of bone loss per … low doses of radiation. But the scan takes longer than the other methods. Ultrasound is a screening test that is …
Medical tests
… anus. While ultrasound is often used to guide the sampling, other ways of imaging such as MRI or CT scans may also be … out if you have prostate cancer. It may also be done for other reasons, such as monitoring the growth of prostate … you to keep taking it. (These medicines include aspirin and other blood thinners.) Make sure that you understand exactly …
Medical tests
… cancer. But not all blood in the stool is caused by cancer. Other conditions that can cause blood in the stool include: … of many tests that may be used to screen for colon cancer. Other tests include sigmoidoscopy , colonoscopy , and CT … But blood in the stool is more often caused by something other than cancer. These other causes could include …
