329 results found
Medical tests
… for the proteins troponin I (TnI) and troponin T (TnT). If your heart muscle is injured, such as from a heart attack , … in other body tissues, their levels in the blood may rise when those other tissues are damaged. Cardiac enzyme studies … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… body uses energy and other substances through the blood. When prealbumin levels are lower than normal, it may be a sign of a poor diet (malnutrition). Your doctor may use the results of this test to make changes … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… of life-threatening heart rhythm problems. Measure levels when magnesium is being given for medical treatment. How To … a few minutes. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… C-Reactive Protein (CRP) Test On this page: Test Overview Why It … test takes The test will take a few minutes. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… types of cancer. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… Test Overview At-home genetic tests check the DNA of your cells. These tests can find changes in your genes that … or explain results. Risks There are some things to consider when you use an at-home genetic test. The test may not be as … or explain results. Risks There are some things to consider when you use an at-home genetic test. The test may not be as …
Medical tests
… spirometer to monitor and evaluate any breathing problems you may have on a day-to-day basis. A peak flow meter allows … flow (PEF) to measure the amount of air you can inhale and quickly exhale. This is tracked to see how well asthma is … redo the test. How It Feels Breathing in and out very quickly during these tests may make you feel light-headed or …
Medical tests
… in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same … the cause of high blood pressure (hypertension), especially when potassium levels in the blood are low. How To Prepare … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… Low levels of ALT are normally found in the blood. But when the liver is damaged or diseased, it releases ALT into … a few minutes. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… body makes against HCV. These proteins will be present in your blood if you have a hepatitis C infection now or have … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
