329 results found
Medical tests
… healthy nervous system . Vitamin B12 is found in animal products such as meat, shellfish, milk, cheese, and eggs. Most people who eat animal products … needle to fill it with blood. Remove the band from your arm when enough blood is collected. Put a gauze pad or cotton …
Medical tests
… as: Leaking urine. Feeling the need to urinate often. Pain when urinating. A weak stream of urine. Frequent urinary … take. How It Feels You may feel a slight burning sensation when the catheter is inserted. Results Normal The amount of fluid left in the bladder after you urinate, when you feel the urge to urinate, and when you can no …
Medical tests
… Most of it is made by muscle tissue and red blood cells . When the oxygen level in the body is normal, carbohydrate breaks down into water and carbon dioxide. When the oxygen level is low, carbohydrate breaks down for … energy and makes lactic acid. Lactic acid levels get higher when strenuous exercise or other conditions—such as heart …
Medical tests
… can cause blood to clump in blood vessels under the skin when the skin is exposed to the cold. This causes pale skin … and numbness in the hands and feet. The symptoms go away when the skin warms up. In some cases, the clumped blood … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… to see how well the bladder is working. Cystometry is done when a muscle or nerve problem may be causing problems with … a signal for the bladder to contract (voiding reflex). When you hold in your urine, your brain is overriding this reflex. When you allow the reflex to occur, urination occurs. A …
Medical tests
… of ammonia in the blood. Most ammonia in the body forms when protein is broken down by bacteria in the intestines . … then eliminated in urine. Ammonia levels in the blood rise when the liver is not able to convert ammonia to urea. This … is done to: Check how well the liver is working, especially when symptoms of confusion, excessive sleepiness, coma, or …
Medical tests
… This procedure is not often done. It is sometimes done: When a child has severe earache, fever, and signs that an ear infection is not getting better with treatment. When there are signs that a child has serious complications from an ear infection. When an ear infection is suspected in a newborn or in a …
Medical tests
… baby's heartbeat patterns. It can show heart rate changes when the baby moves. It also shows changes when you have contractions, if you're having them. A fetal heart rate that speeds up when the baby moves means the baby is getting enough oxygen. …
Medical tests
… to see if your baby will stay healthy during contractions when you are in labour. This test includes external fetal heart monitoring . The test is done when you are 34 or more weeks pregnant. During a … to: Find out if your baby will stay healthy during labour, when contractions reduce the oxygen levels. Check to see if …
Medical tests
… (EMG) measures the electrical activity of muscles when they're at rest and when they're being used. Nerve … Tell your doctor ALL the medicines and natural health products you take. Some may increase the risk of problems … Tell your doctor ALL the medicines and natural health products you take. Some may increase the risk of problems …
