272 results found
Medical tests
… the back of the throat. Your doctor shines a light in your mouth and wears a mirror on his or her head to reflect light … of throat and ear pain. Find the cause for trouble swallowing, a feeling of a lump in the throat, or mucus with … lozenges. A child age 8 or older can gargle with warm salt water. How long the test takes How long a laryngoscopy …
Medical tests
… especially when that person is sick. Monitor a person on a low-carbohydrate diet and/or high-fat diet. Monitor a person … the colour of the test strip or urine to a chart to find out if ketones are present. High values You may have ketones … low-carbohydrate or high-fat diet. Are starving or have an eating disorder, including disorders that result in poor …
Medical tests
… the amount of sugar (glucose) in the blood. Insulin allows glucose to enter body cells where it is used for … How To Prepare Your doctor will give you instructions about eating and drinking before this test. Insulin and some …
Medical tests
… normally rise. Both ACTH and cortisol levels change throughout the day. ACTH is normally highest in the early morning (between 6 a.m. and 8 a.m.) and lowest in the evening (between 6 p.m. and 11 p.m.). ACTH … glands or pituitary gland. A high level of ACTH and a low level of cortisol (or low ACTH and high cortisol levels) …
Medical tests
… Test Overview Bronchoscopy is a procedure that allows your doctor to look at your airway through a thin … doctor will tell you how soon before the procedure to stop eating and drinking. Follow the instructions exactly about … tiny biopsy tool or brush will be used through the scope. A salt (saline) fluid may be used to wash your airway. Then …
Medical tests
… rate, muscle strength, and mental alertness. They also lower the amount of blood going to the skin and intestines … in the blood. This causes high blood pressure, excessive sweating, headaches, fast heartbeats (palpitations), and … medicines can also cause high catecholamine levels. Low values Low levels of catecholamines usually do not …
Medical tests
… to move other electrolytes (potassium and sodium) into and out of cells. Most of the magnesium in the body is found in … and muscle weakness. Find the cause of symptoms such as low blood pressure, nausea, vomiting, diarrhea, dizziness, … magnesium. Laxatives (such as milk of magnesia or Epsom salts). Magnesium supplements. Some diuretics . How It Is …
Medical tests
… by the intestines, and its level in blood and urine is low. Why It Is Done A test for D-xylose is done to: Check to … to gain weight, especially when the child seems to be eating enough food. How To Prepare For 24 hours before a … usually provide you with a large container that holds about 4 L (1 gal) . The container has a small amount of …
Medical tests
… help nerves function, and make muscles contract. Most (about 85%) of the phosphorus contained in phosphate is found … is found in the urine. Kidney problems can cause high or low levels of phosphate in the urine. High levels of phosphate in the urine also may be caused by eating a meal high in phosphorus, having high levels of …
Medical tests
… for gestational diabetes. How To Prepare Tell your doctor about all the prescription and non-prescription medicines you … at the site. Some people's blood glucose levels drop very low toward the end of the test. But some people feel like … Symptoms of low blood glucose include weakness, hunger, sweating, and feeling nervous or restless. If you develop …
