265 results found
Medical tests
… the doctor inserts flexible tubes called catheters into blood vessels. These blood vessels are typically in the groin or neck. Then the … and how soon to do it. If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it …
Medical tests
… specific instructions. 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 … Abnormal Colour and clarity Clear to light yellow Red (bloody) or milky white (cloudy) Blood cell count No large …
Medical tests
… Test Overview A toxoplasmosis test is a blood test that checks for antibodies to the Toxoplasma … infection is recent or occurred in the past. More than one blood test may be done over several weeks. For most people, … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a …
Medical tests
… Information Test Overview Hepatitis C virus (HCV) test is a blood test that looks for the genetic material ( RNA ) of … makes against HCV. These proteins will be present in your blood if you have a hepatitis C infection now or have had … choose the proper treatment. HCV is spread through infected blood. There is no vaccine available to prevent hepatitis C. …
Medical tests
… A magnesium test checks the level of magnesium in the blood. Magnesium is an important electrolyte needed for … Only a tiny amount of magnesium is normally present in the blood. Tests for other electrolytes, such as calcium, … and muscle weakness. Find the cause of symptoms such as low blood pressure, nausea, vomiting, diarrhea, dizziness, …
Medical tests
… . A test for DHEA-S checks the level of this hormone in the blood. Testosterone affects sexual features and development. … except water for 9 to 12 hours before you have your blood drawn. In most cases, you are allowed to take your … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a …
Medical tests
… to: Check for coronary artery disease, which can reduce blood flow to the heart muscle during stress. Look at the … valves and check how well they work. Check to see how well blood flows through the heart, heart valves, and blood vessels. How to Prepare Do not smoke or eat a heavy …
Medical tests
… pictures of structures more clearly. The dye may help show blood flow, look for some types of tumours, and show areas … Look for the cause of headaches. Help diagnose a stroke or blood vessel problems in the head. Problems with blood vessels may include an aneurysm or abnormal twisted …
Medical tests
… When you feel stressed, these hormones increase heart rate, blood pressure, breathing rate, muscle strength, and mental alertness. They also lower the amount of blood that goes to the skin and intestines. They increase blood going to the major organs, such as the brain, heart, …
Medical tests
… procedures. Aspiration and biopsy are often done to find a blood problem or an infection. They also may be used to find … both are done to: Look for the cause of problems with red blood cells , white blood cells , or platelets in people who have conditions …
