329 results found
Medical tests
… with the results of a D-xylose test. For this reason, your doctor may instruct you to temporarily stop these … drink a D-xylose solution. To begin the test, a sample of your first urine of the day and a sample of your blood are collected. Next you will drink a D-xylose …
Medical tests
… (BNP) test measures the amount of the BNP hormone in your blood. BNP is made by your heart and shows how well your heart is working. Normally, only a low amount of BNP is …
Medical tests
… if the sputum sample is to be collected at home or in your doctor's office. Bronchoscopy sample Your doctor will tell you how soon before the procedure to … exactly about when to stop eating and drinking, or your surgery may be cancelled. If your doctor has instructed …
Medical tests
… glands then make a hormone called cortisol, which helps your body manage stress. Cortisol is needed for life, so its … ACTH levels may be tested in the morning or evening if your doctor thinks that they are abnormal. Cortisol levels … to eat or drink for 10 to 12 hours before an ACTH test. Your doctor may ask you to eat low-carbohydrate foods for 48 …
Medical tests
… takes pictures of the organs and other structures in your upper belly. It uses sound waves to show images on a … to send bile to the bowels (intestines) . The bile helps your body digest food and absorb vitamins that dissolve in … Kidneys . This pair of organs is in the upper part of your belly, but toward your back. The kidneys remove wastes …
Medical tests
… for 1 to 2 weeks before you have the test. Be sure to tell your doctor about all the non-prescription and prescription medicines you take. Be sure to tell your doctor if you have: Recently had an X-ray test using … if you have travelled outside the country. This helps your doctor look for the parasites, fungi, viruses, or …
Medical tests
… measures the amount of a type of sugar, called glucose, in your blood. Glucose comes from carbohydrate foods . It is … of energy used by the body. Insulin is a hormone that helps your body's cells use the glucose. Insulin is produced in … when the amount of glucose in the blood rises. Normally, your blood glucose levels increase slightly after you eat. …
Medical tests
… for the proteins troponin I (TnI) and troponin T (TnT). If your heart muscle is injured, such as from a heart attack , … Cardiac enzyme studies must always be compared with your symptoms, your physical examination findings, and other test results. …
Medical tests
… undetectable. This means there is very little virus in your blood. Why It Is Done A viral load test is done to watch for changes in an HIV infection. Your doctor uses it to see how well your treatment is working. This information helps guide your …
Medical tests
… This protein measures general levels of inflammation in your body. The hs-CRP can be used to find the risk for heart … may mean a higher-than-normal risk of heart problems. If your risk for heart problems is high, your doctor may recommend lifestyles changes or medicine to …
