313 results found
Medical tests
… of chemicals dissolved in the liquid part (serum) of the blood. Chemicals that affect serum osmolality include … that isn't in the normal range may still be normal for you. High values High levels may be caused by: Too little water … by some medicines, including diuretics and certain blood pressure medicines. A condition called syndrome of …
Medical tests
… measures the amount of human growth hormone (GH) in the blood. GH is made by the pituitary gland and is needed for … ( metabolism ). The amount of GH in the blood changes during the day and is affected by exercise, sleep, emotional … -like growth factor 1 (IGF-1). When the GH level is very high, the IGF-1 level is also very high. A test for IGF-1 …
Medical tests
… dye and camera ( fluoroscopy ) to take pictures of the blood flow in the blood vessels of the lung . During an angiogram, a thin tube called a catheter is placed … Why It Is Done A lung angiogram may be done to measure the pressure in the blood vessels carrying blood to the lungs, …
Medical tests
… procedures. Aspiration and biopsy are often done to find a blood problem or an infection. They also may be used to find … and into your bone to reach the bone marrow. You may feel pressure or some dull pain during the procedure. After the … from the biopsy site. People with bleeding problems have a higher chance for this. If you have bleeding problems, …
Medical tests
… into a vein in the arm and then travels through the bloodstream to the kidneys. The tracer flows through the … done. Areas of the kidneys where the tracer shows up in higher-than-normal amounts, such as in some types of cancer, … narrowed renal arteries that can cause a type of high blood pressure called renovascular hypertension. See how a …
Medical tests
… Test Overview An iron test checks the amount of iron in the blood. Iron (Fe) is a mineral needed for hemoglobin, the … The body needs more iron at times of growth (such as during adolescence), for pregnancy, during breastfeeding, or … iron-binding capacity (TIBC), and transferrin saturation. High and low values The values for serum iron, total …
Medical tests
… measures the amount of prostate-specific antigen in the blood. PSA is released into the blood by the prostate , … done to: Screen for prostate cancer. If your PSA level is higher than expected, your doctor may suggest other tests, … to determine if cancer is present. Watch prostate cancer during active surveillance or other treatment. If PSA levels …
Medical tests
… the doctor inserts flexible tubes called catheters into blood vessels. These blood vessels are typically in the … products you take. Some may increase the risk of problems during your procedure. Your doctor will tell you if you … pictures of your heart. After the test After the procedure, pressure may be applied to the areas where a catheter was …
Medical tests
… ankle. It also can be done on the hip, elbow, and wrist. During arthroscopy , the arthroscope is put into your joint … tests may include X-rays , ultrasound, CT scan , MRI , or blood tests. Do surgery to repair a joint problem. It may be … during the procedure. Your heart rate and rhythm, blood pressure, and breathing will be watched closely during the …
Medical tests
… (ALP) test measures the amount of the enzyme ALP in the blood. ALP is made mostly in the liver and in bone with some … in the blood. These conditions include rapid bone growth (during puberty), bone disease (such as Paget's disease or … D deficiency, or damaged liver cells. If the ALP level is high, more tests may be done to find the cause. The amounts …
