2693 results found
Medical tests
… blood glucose after you have not eaten for at least 8 hours. It is often the first test done to check for … test is also called a casual blood glucose test. A 2-hour postprandial blood sugar test measures blood sugar exactly 2 …
Medical tests
… Oral Glucose Tolerance Test (OGTT) On this page: Test Overview … eat, drink, smoke, or do strenuous exercise for at least 8 hours before your first blood sample is taken. (You can drink water before the …
Medical tests
… Cortisol in Blood Test On this page: Test Overview Why It Is Done How To … Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ), and it helps the … Normally, cortisol levels rise during the early morning hours and are highest about 7 a.m. They drop very low in the …
Medical tests
… Renin Blood Test On this page: Test Overview Why It Is Done How To … diet. You may be asked to not eat or drink anything for 8 hours before the test. How It Is Done You may need to sit or lie down to relax for 1 to 2 hours before your blood is collected. A second blood sample …
Medical tests
… Catecholamines in Blood Test On this page: Test Overview Why It Is Done How To … do a urine test that measures catecholamine levels over 24 hours. How To Prepare You may be asked to avoid certain …
Medical tests
… Lipase Blood Test On this page: Test Overview Why It Is Done How To … Do not eat or drink anything except water for 8 to 12 hours before having a lipase test. How It Is Done A health … the site. Results Results are normally available within 12 hours. Normal Each lab has a different range for what's …
Medical tests
… Prolactin Blood Test On this page: Test Overview Why It Is Done How To … To Prepare A blood prolactin test is usually done about 3 hours after you wake up, sometime between 8 a.m. and 10 a.m. …
Medical tests
… Blood Alcohol Test On this page: Test Overview Why It Is Done How To … of alcohol in the blood reaches its highest level about an hour after drinking. But food in the stomach may increase … fast you drink. As you increase the number of drinks per hour, your blood alcohol level steadily increases. Your …
Medical tests
… Phosphate in Blood Test On this page: Test Overview Why It Is Done How To … in children. Results are usually available in 1 to 2 hours. Normal Each lab has a different range for what's … in children. Results are usually available in 1 to 2 hours. Normal Each lab has a different range for what's …
Health topics
… Hepatitis B: Post-Vaccination Test for Immunity On this page: Overview … to hepatitis B. May come in contact with other people's blood or body fluids as part of your job. Are a sex partner …
