329 results found
Medical tests
… A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been stressed. It … As the tracer moves through the heart muscle, areas that have good blood flow absorb the tracer. Areas that do not … by a heart attack. A set of pictures will be made when you are at rest and after your heart has been stressed, …
Medical tests
… of the mouth. They are used to find extra teeth, teeth that have not yet broken through the gums, jaw fractures, a cleft … may be used now and then. Dental X-rays are scheduled when you need them based on your age, risk for disease, and signs of disease. Why It Is …
Medical tests
… This is called sensitivity testing. Depending on what your stool is being tested for, you may only need to collect one stool sample. Or you may … cholera , and typhoid . Identify a person who may not have any symptoms of disease but who carries bacteria that …
Medical tests
… the genitals, which are the penis, scrotum, and testicles. Your doctor will feel the organs and check them for lumps, … for every teenage boy and man. Baby boys should also have their genitals checked for problems they were born … cancer is rare, but it is the most common cancer in men younger than age 35. It often appears as a painless lump or …
Medical tests
… Small amounts of sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an ingredient in … adrenal glands. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… On this page: Overview Why It Is Done Results Overview Your doctor may take a sample, or biopsy, of abnormal … A microscopic examination on the biopsied tissue can help your doctor find out whether human papillomavirus (HPV) is … can be done in your doctor's office or clinic. You may have an injection of a numbing medicine ( local anesthetic …
Medical tests
… a dye called contrast material is injected into a vein in your arm. A series of X-ray pictures is then taken at timed … the cause of ongoing back or flank pain. How To Prepare You may need to stop eating and drinking for 8 to 12 hours … to take a laxative the evening before the test (and maybe have an enema the morning of the test) to make sure that …
Medical tests
… view of the parts of the eye . During the examination, your doctor can look at the front parts of the eye. These … or after a bone marrow transplant. How To Prepare If you wear glasses or contact lenses, you will need to remove … of your eyes. Before the test, tell your doctor if you have glaucoma or are allergic to eyedrops that dilate or …
Medical tests
… meal high in phosphorus, having high levels of vitamin D in your body, or having an overactive parathyroid gland . Some … kidney stones . How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you …
Medical tests
… is shaped to fit into a woman's vagina . A woman may have both transabdominal and transvaginal ultrasounds to … To Prepare Wear loose clothes for the pelvic ultrasound. You may need to remove all your clothes below the waist and put on a gown before the …
