313 results found
Medical tests
… test measures the amount of the hormone progesterone in a blood sample. Progesterone is a female hormone produced by the ovaries during release of a mature egg from an ovary (ovulation). … begins. During pregnancy, the placenta also produces high levels of progesterone, starting near the end of the …
Medical tests
… test that uses dye and a camera to take pictures of the blood flow in an artery or a vein. An angiogram can be used … be done to look for blocked blood vessels in your lungs. During an angiogram, the doctor will put a thin, flexible … the test The catheter is taken out after the angiogram, and pressure is put on the needle site for 10 to 15 minutes to …
Medical tests
… For example, you may get one if a test shows that you have blood or protein in your urine. The biopsy is usually done … sample. The doctor may use ultrasound to guide the needle during the biopsy. The area will be numb. The biopsy itself … The needle is removed after the tissue sample is taken. Pressure is put on the biopsy site for several minutes to …
Medical tests
… changes the levels of the hormone cortisol in the blood. This test checks for a condition in which large … a dose of dexamethasone, cortisol levels often stay very high in people who have Cushing's syndrome. Sometimes other conditions can keep cortisol levels high during this test. Examples include alcohol use disorder , …
Medical tests
… dye and camera ( fluoroscopy ) to take pictures of the blood flow in the blood vessels of the head and neck . An … arteries (four-vessel study) carrying blood to the brain. During an angiogram, a thin, soft tube called a catheter is … the test The catheter is taken out after the angiogram. Pressure may be applied to the area where the catheter was …
Medical tests
… Test Overview Cystometry is a test that measures the pressure inside of the bladder to see how well the bladder … muscles of the bladder wall can cause bladder dysfunction. During cystometry, your bladder is filled with water to … a bladder infection can spread to a kidney and into the blood, leading to a life-threatening infection. If an …
Medical tests
… measures the amount of this protein that may appear in the blood of some people who have certain kinds of cancers, … pancreas, breast, ovary, or lung. CEA is normally produced during the development of a fetus . The production of CEA … so your CEA may be normal even though you have cancer. High values Many conditions can change your CEA levels. Your …
Medical tests
… sperm-related infertility problems. Tests that may be done during a semen analysis include: Volume. This is a measure … This is a measure of the acidity (low pH ) or alkalinity (high pH) of the semen. White blood cell count. White blood cells are not usually present …
Medical tests
… checks the level of this male hormone (androgen) in the blood. Testosterone affects sexual features and development. … level in boys is normally low. Testosterone increases during puberty. This causes boys to develop a deeper voice, … levels vary throughout the day. They are usually highest in the morning and lowest in the evening. Why It Is …
Medical tests
… Test Overview A thyroid-stimulating hormone (TSH) blood test is used to check for thyroid gland problems. TSH … (T4) are needed for normal growth of the brain, especially during the first 3 years of life. A baby whose thyroid gland … Results are usually available in 2 to 3 days. A slightly high TSH value may not require treatment. The doctor will …
