289 results found
Medical tests
… or trisomy 18 . First-trimester screening tests include: Blood tests. These measure the level of two substances in … a set of numbers. A positive result means that there is a higher-than-average chance that your baby has Down syndrome … you have a positive result. This means that your baby has a higher chance of a birth defect. A negative result means …
Medical tests
… the doctor inserts flexible tubes called catheters into blood vessels. These blood vessels are typically in the groin or neck. Then the … pictures of your heart. After the test After the procedure, pressure may be applied to the areas where a catheter was …
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 … It can help keep fluid from building up again. A tight (pressure) bandage will be placed over the site to reduce …
Medical tests
… Test Overview A chemistry screen is a blood test that measures the levels of several substances in … plan or lifestyle. To look for problems, such as a low or high blood glucose level that may be causing a specific … medicines with water the morning of the test. Do not eat high-fat foods the night before the test. Do not drink …
Medical tests
… tissue from the body. A karyotype test usually is done on a blood sample taken from a vein. For testing during … be done on a sample of amniotic fluid or the placenta . Blood sample from a vein A health professional uses a needle to take a blood sample, usually from an arm. Cell sample from a fetus …
Medical tests
… tests may include X-rays , ultrasound, CT scan , MRI , or blood tests. Do surgery to repair a joint problem. It may be … stay in a hospital. You may have more tests, such as blood tests or urine tests, before your procedure. Be sure … during the procedure. Your heart rate and rhythm, blood pressure, and breathing will be watched closely during the …
Medical tests
… Test Overview A C-reactive protein (CRP) test is a blood test that measures the amount of a protein called … measures general levels of inflammation in your body. High levels of CRP are caused by infections and many … for you. Results are usually available within 24 hours. High levels of CRP are caused by infections and many …
Medical tests
… For example, you may get one if a test shows that you have blood or protein in your urine. The biopsy is usually done … kidney biopsy is done to: Find kidney disease when there is blood or protein in the urine or when the kidneys are not … The needle is removed after the tissue sample is taken. Pressure is put on the biopsy site for several minutes to …
Medical tests
… Most of the sodium in the body (about 85%) is found in blood and lymph fluid . Sodium levels in the body are partly … or electrolyte imbalances. Urine sodium levels are often high when blood levels are low. The urine sodium level is often low when blood levels are high. Urine sodium levels are affected by medicines and …
Medical tests
… Test Overview A toxoplasmosis test is a blood test that checks for antibodies to the Toxoplasma … within 2 weeks after a person is infected. The titre is the highest 1 to 2 months after infection. If high titres of the IgM type of antibody are found, it means …
