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 … doctor will tell you if you should stop taking any of them before the test and how soon to do it. If you take a … the test and for 5 to 10 minutes after the test. You will start by walking or pedalling slowly and easily. Every few …
Medical tests
… This hormone tells the testicles to make more testosterone. Before puberty , the testosterone level in boys is normally … , and get facial and body hair. The level of testosterone starts to decline around age 40, then gradually becomes less … See whether a high level of testosterone is causing a boy younger than age 10 to have early signs of puberty. Find out …
Medical tests
… problems or birth defects. Health Tools Health Tools help you make wise health decisions or take action to improve … for estrogen-producing tumours of the ovaries in girls before menstruation starts and in women after menopause. Help explain …
Medical tests
… veins. An angiogram is done for many reasons. For example, you may have this test to find the source of bleeding, such … for at least a few hours to make sure the catheter site starts to heal. Health Tools Health Tools help you make wise … Show the condition, number, and location of renal arteries before a kidney transplant. Look for a source of bleeding, …
Medical tests
… or cloudy), odour, concentration, and acidity (pH) of your urine. It also checks your levels of protein, sugar, … As part of a regular physical examination. How To Prepare Before the test, don't eat foods that can change the colour … to clean the tip. If you have a foreskin, pull it back. Start to urinate into the toilet for a few seconds. Keep …
Medical tests
… pictures of the spine and vertebrae . During the test, you will lie on a table that is attached to the CT scanner, … How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. Tell your … is used, you may feel a quick sting or pinch when the IV is started. The dye may make you feel warm and flushed and give …
Medical tests
… more study or printed out as photographs. Why It Is Done Your doctor may want you to have a coronary calcium scan if … other test results are not clear about whether you should start treatment to reduce your risk of coronary artery … disease. How To Prepare You don't need to do anything before you have this test. But you may be asked to not smoke …
Medical tests
… the placenta also produces high levels of progesterone, starting near the end of the first trimester and continuing … the adrenal glands and some types of cancer. How To Prepare You may be asked to stop taking medicines (including birth … estrogen or progesterone, or both, for up to 4 weeks before having a progesterone test. Tell your doctor if you …
Medical tests
… (also called an echo) uses sound waves to make an image of your heart. A device called a transducer is moved across … vessels. How to Prepare Do not smoke or eat a heavy meal before this test. Wear flat, comfortable shoes (no bedroom … left side. If you will exercise during the test, you will start after the baseline echocardiogram is finished. You may …
Medical tests
… to make pictures of the head and face. During the test, you will lie on a table that is attached to the CT scanner, … How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. Tell your … is used, you may feel a quick sting or pinch when the IV is started. The dye may make you feel warm and flushed and give …
