329 results found
Medical tests
… hormone (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ), … drop very low in the evening and during the early phase of sleep. But if you sleep during the day and are up at night, … of the way cortisol levels vary throughout a day. If your doctor thinks you might make too much cortisol, the …
Medical tests
… hormone (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ). … drop very low in the evening and during the early phase of sleep. But if you sleep during the day and are up at night, … the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect all your …
Medical tests
… Overview Fertility awareness is a way to check the changes your body goes through during your menstrual cycle . (It's also called natural family …
Medical tests
… A cystoscopy is a procedure that lets a doctor look inside your bladder and urethra. The urethra is the tube that carries urine from the bladder to outside the body. The doctor uses a thin, lighted tool called a … you are in the hospital, you may get medicine to make you sleep during the procedure. While you are asleep, the doctor …
Medical tests
… Test Overview Lung function tests check to see how well your lungs work. The tests can find lung problems, measure … a lung disease is working. The tests look at: How much air your lungs can hold. How quickly you can move air in and out … of lung function tests include: Spirometry. Gas diffusion. Body plethysmography. Inhalation challenge test. Exercise …
Medical tests
… vessel, nerve, or psychological issues. To find the cause, your doctor will first ask about your sexual history and do … test checks to see if you're having normal erections during sleep. It's common to have 3 to 5 full erections during deep sleep. If you don't have erections because of psychological …
Medical tests
… Information Test Overview A genetic test checks the DNA of your cells. It can find changes in your genes or chromosomes that may cause a genetic illness. … if a person has gene changes that might affect how their body reacts to a specific medicine. At-home genetic testing …
Medical tests
… is needed for growth. It plays an important role in how the body uses food for energy ( metabolism ). The amount of GH … blood changes during the day and is affected by exercise, sleep, emotional stress, and diet. Too much GH during … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Blood levels of …
Medical tests
… from an artery. This test is used to find out how well your lungs are able to move oxygen into the blood and remove … and carbon dioxide levels can be measured before they enter body tissues. An ABG measures: Partial pressure of oxygen … heart failure , kidney failure , uncontrolled diabetes , sleep disorders, or severe infections or who have had a drug …
Medical tests
… Using a home blood pressure monitor lets you keep track of your blood pressure at home. Blood pressure is a measure of how hard the blood pushes against the walls of your arteries as it moves through your body. Your blood pressure is recorded as two numbers. The …
