281 results found
Medical tests
… substances through the blood. When prealbumin levels are lower than normal, it may be a sign of a poor diet … test to be sure that a poor diet is the reason for your low prealbumin levels. Why It Is Done A prealbumin blood … hospital or before and after surgery. Poor nutrition can slow healing and recovery. See how well supplements or …
Medical tests
… and camera ( fluoroscopy ) to take pictures of the blood flow in the blood vessels of the lung . During an angiogram, … to record your heart rate and rhythm. You will lie on your back on an X-ray table. Ask for a pad or blanket to make … device. This will prevent bleeding. You will be given pain medicine if you need it. If the catheter was put in …
Medical tests
… male sex organs. They are located in the scrotum, a pouch below the penis. The testicles make sperm and the male hormone … testicle is about the size and shape of a small egg. At the back of each testicle is a coiled tube called the … cancer in men younger than age 35. It often appears as a painless lump or swollen testicle. In the early stages of …
Medical tests
… pressure. Empty your bladder before the test. Sit with your back straight, such as on a dining chair, with both feet on … the blood pressure cuff around your upper arm so that the lower edge of the cuff is about 2.5 centimetres (1 inch) … move, talk, or text while you take your blood pressure. Follow the instructions that came with your blood pressure …
Medical tests
… and electrolytes in the body. Find out if you have swallowed a poison, such as rubbing alcohol, wood alcohol, or … kidneys to lose water and produce large amounts of urine. Low values Low levels may be caused by: Too much water in the body. A …
Medical tests
… intestines stick out through the belly wall. Normally, low levels of AFP can be found in the blood of a pregnant woman. No AFP (or only a very low level) is generally found in the blood of healthy men or … a month or two before the woman gives birth, and then it slowly decreases. Values are generally slightly higher for …
Medical tests
… ovarian function before age 40 (premature ovarian failure). Low egg supply (ovarian reserve). Menopause has occurred. … values in children may mean that puberty is about to start. Low values Low FSH values may mean: A woman is not producing eggs …
Medical tests
… morning hours and are highest about 7 a.m. They drop very low in the evening and during the early phase of sleep. But … infection (sepsis) can cause high cortisol levels. Low values A low level of cortisol in the blood can be caused by: …
Medical tests
… fundoscopy) is a test that lets a doctor see inside the back of the eye , which is called the fundus. The doctor can … the doctor a wider view of the inside of the eye. It allows a better view of the fundus, even if the lens is … this test, the light is much stronger. It may be slightly painful. Pressure applied to your eyeball with the blunt …
Medical tests
… potassium for the body's needs. But if your levels get low, it can take some time for your body to start holding on to potassium. A potassium level that is too high or too low can be serious. Abnormal levels may cause symptoms such … sample. How It Feels This test usually doesn't cause any pain or discomfort. Risks There is very little chance of …