302 results found
Medical tests
… of barium. There is always a small chance of damage to cells or tissue from being exposed to any radiation, even … of barium. There is always a small chance of damage to cells or tissue from being exposed to any radiation, even …
Medical tests
… grow. Viruses need to be placed in a container with living cells and can take weeks to grow. Any bacteria, fungi, or … grow. Viruses need to be placed in a container with living cells and can take weeks to grow. Any bacteria, fungi, or …
Medical tests
… blindness in people with suspected retinal or optic nerve disease or who have a family history of colour blindness. … stroke, head injury, or other condition that causes reduced blood flow to the brain. Colour vision tests These tests may … stroke, head injury, or other condition that causes reduced blood flow to the brain. Colour vision tests These tests may …
Medical tests
… injury. Risks There is always a slight chance of damage to cells or tissue from radiation, including the low levels of … injury. Risks There is always a slight chance of damage to cells or tissue from radiation, including the low levels of …
Medical tests
… or a fungus ) that can cause an infection. A sample of cells from the back of your throat is added to a substance … or a fungus ) that can cause an infection. A sample of cells from the back of your throat is added to a substance …
Medical tests
… outside the body change a lot. When you are too hot, the blood vessels in your skin widen to carry the excess heat to … it helps cool your body. When you are too cold, your blood vessels narrow. This reduces blood flow to your skin … display a reading quickly and reduce the risk of spreading disease. But many factors can influence the accuracy of the …
Medical tests
… you should be checked for glaucoma. Glaucoma is an eye disease that can cause blindness by damaging the optic nerve … angle can be blocked. These include scar tissue, abnormal blood vessels, injury or infection, and extra colour pigment … angle can be blocked. These include scar tissue, abnormal blood vessels, injury or infection, and extra colour pigment …
Medical tests
… It controls the amount of calcium and phosphorus in the blood. During a thyroid and parathyroid ultrasound, a small … biopsy . Look for enlarged parathyroid glands caused by disease. Normal parathyroid glands are often hard to see on … It controls the amount of calcium and phosphorus in the blood. During a thyroid and parathyroid ultrasound, a small …
Medical tests
… organs or other tissues. It also can find tissue damage or disease, such as infection or a tumour. Pictures from an MRI … in the pictures. The contrast material may be used to check blood flow, find some types of tumours, and show areas of … in the pictures. The contrast material may be used to check blood flow, find some types of tumours, and show areas of …
Medical tests
… Hyperthyroidism. Bleeding problems. Lupus. Chronic kidney disease. Type 1 diabetes or gestational diabetes. High blood pressure (hypertension). Pre-eclampsia. A small amount … disease. Type 1 diabetes or gestational diabetes. High blood pressure (hypertension). Pre-eclampsia. A small amount …
