329 results found
Medical tests
… are working, the blood pH , and the amount of potassium you eat. The hormone levels in your body, severe vomiting, and taking certain medicines … too high or too low can be serious. Abnormal levels may cause symptoms such as muscle cramps or weakness, nausea, …
Medical tests
… liver is not able to convert ammonia to urea. This may be caused by cirrhosis or severe hepatitis . For this test, a … sample is taken from a vein When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. If the sample is …
Medical tests
… to find germs (such as bacteria or a fungus) that can cause an infection. A bacterial infection in the blood, called … as corticosteroids or chemotherapy ) that change how well your body can fight infections (immunity). For a blood … or shock or a person becoming extremely ill. How To Prepare You do not need to do anything at home to prepare for the …
Medical tests
… body. No instruments are inserted in the body. Doctors can use MRC to find gallstones before surgery to remove the … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the …
Medical tests
… Test Overview Pericardiocentesis is done to find the cause of fluid buildup around the heart and to relieve … Find the cause of pericardial effusion. How To Prepare You may not be able to eat or drink for several hours before the test. Because this is a test involving your heart, you may have to stay overnight in the hospital …
Medical tests
… translucency screening is a test done during pregnancy. It uses ultrasound to measure the thickness of the fluid … problem. It can't show for sure that a baby has a problem. You would need a diagnostic test, such as chorionic villus … baby actually has a problem. Health Tools Health Tools help you make wise health decisions or take action to improve …
Medical tests
… During an ear examination, a tool called an otoscope is used to look at the outer ear canal and eardrum. An otoscope … a speculum. A pneumatic otoscope has a rubber bulb that your doctor can squeeze to give a puff of air into the ear … is important to sit very still during an ear examination. A young child should be lying down with their head turned to …
Medical tests
… to find germs (such as bacteria or a fungus ) that can cause an infection. A sample of cells from the back of your throat is added to a substance that promotes the growth … a carrier. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… node tissue to look for cancer. A sentinel node biopsy is used to see if a known cancer has spread from the original … cancer is normally one of the lymph nodes under the arm. Your doctor injects a blue dye or special tracer substance … and which lymph node is most likely to have cancer cells. Your doctor can see the dye or tracer with a special device. …
Medical tests
… Urodynamic testing is a group of tests that show how your body stores and releases urine. The type of test varies … of urine. Frequent urinary tract infections. How To Prepare You may be asked to arrive for the test with a full bladder. … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
