284 results found
Medical tests
… the doctor inserts flexible tubes called catheters into blood vessels. These blood vessels are typically in the … taking it. (These medicines include aspirin and other blood thinners.) Make sure that you understand exactly what your … It lets others know your health care wishes. It's a good thing to have before any type of surgery or procedure. How …
Medical tests
… Test Overview A toxoplasmosis test is a blood test that checks for antibodies to the Toxoplasma … infection. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… Information Test Overview Hepatitis C virus (HCV) test is a blood test that looks for the genetic material ( RNA ) of … see how well it works. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… A magnesium test checks the level of magnesium in the blood. Magnesium is an important electrolyte needed for … function. Find the cause of heart problems or trouble breathing, especially in people who have kidney disease. Find … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… . A test for DHEA-S checks the level of this hormone in the blood. Testosterone affects sexual features and development. … tells you to fast before your test, do not eat or drink anything except water for 9 to 12 hours before you have your … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… pictures of structures more clearly. The dye may help show blood flow, look for some types of tumours, and show areas … seen on another test. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … spaces. You may get a medicine to help you relax. If you think you'll get this medicine, be sure you have someone to …
Medical tests
… When you feel stressed, these hormones increase heart rate, blood pressure, breathing rate, muscle strength, and mental alertness. They also … paper, pubic hair, stool (feces), menstrual blood, or anything else in your urine sample. How It Feels This test …
Medical tests
… procedures. Aspiration and biopsy are often done to find a blood problem or an infection. They also may be used to find … how soon to do it. If you take aspirin or some other blood thinner, ask your doctor if you should stop taking it before … how soon to do it. If you take aspirin or some other blood thinner, ask your doctor if you should stop taking it before …
Medical tests
… symptoms are caused by problems with your heart rate or blood pressure. How To Prepare You may be asked to not eat … are sensors that monitor your heart. You will also have a blood pressure cuff on your arm. And you may have an IV. … will be strapped securely to the table. Your heart rate and blood pressure are checked regularly as the table is tilted …
Medical tests
… (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also in smaller … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick … still be normal for you. Results are usually available within 12 hours. High values High levels of ALT may be caused …
