248 results found
Medical tests
… You will have more blood tests over 1 to 3 hours. Since activity can affect test results, you will be asked to sit … Symptoms of low blood glucose include weakness, hunger, sweating, and feeling nervous or restless. If you develop … symptoms and past health. Carbohydrate Foods Medical Tests: Questions to Ask the Doctor …
Medical tests
… failure. Check the level of ammonia in a person receiving high-calorie intravenous (IV) nutrition (hyperalimentation). How To Prepare Do not eat, … ammonia in a person receiving high-calorie intravenous (IV) nutrition (hyperalimentation). How To Prepare Do not eat, …
Medical tests
… back to a good blood level. When blood calcium levels get high ( hypercalcemia ), the extra calcium is stored in the … the body depends on the amount of: Calcium you get in your food. Calcium and vitamin D your intestines absorb. … by kidney failure , laxative use, and other things. Malnutrition caused by diseases such as celiac disease , …
Medical tests
… the amount of catecholamines in the blood. This causes high blood pressure, excessive sweating, headaches, fast heartbeats (palpitations), and … 24 hours. How To Prepare You may be asked to avoid certain foods and fluids for 2 to 3 days before having this test, …
Medical tests
… of the protein in blood serum is albumin. Alpha-1 globulin. High-density lipoprotein (HDL), the "good" type of … with the immune system. Conditions that lead to poor nutrition. How To Prepare In general, there's nothing you … Some of the most common are shown here. Low albumin: Poor nutrition; inflammation; liver disease; kidney disease Low …
Medical tests
… by the kidneys and passes out of the body in the urine. A high level of phosphate in the blood is usually caused by a … of vitamin D, or some kidney or liver diseases. Severe malnutrition or starvation. A condition such as sprue that prevents the intestines from absorbing nutrients properly. Alcohol use disorder . High calcium …
Medical tests
… new red blood cells. The source of all the body's iron is food, such as liver and other meat, eggs, beans, and leafy … iron-binding capacity (TIBC), and transferrin saturation. High and low values The values for serum iron, total … new red blood cells. The source of all the body's iron is food, such as liver and other meat, eggs, beans, and leafy …
Medical tests
… test can show if the fetus is getting enough oxygen and nutrients. Doppler ultrasound may be used to guide decisions … may be wrapped first around the calf and then around the thigh. The test may be done at several places on your leg. … Testing may be done before and after exercise, if you are healthy enough. Veins in the arms and legs For this test, …
Medical tests
… for energy and makes lactic acid. Lactic acid levels get higher when strenuous exercise or other conditions—such as … of lactic acidosis include rapid breathing, excessive sweating, cool and clammy skin, sweet-smelling breath, belly … body's cells. Extremely strenuous exercise or extreme overheating. Poisoning by alcohol (ethanol), wood alcohol …
Medical tests
… Cortisol levels can be affected by many conditions, such as physical or emotional stress, strenuous activity, infection, or injury. Normally, cortisol levels rise during the early morning hours and are highest about 7 a.m. They drop very low in the evening and …
