329 results found
Medical tests
… time (PTT) is a blood test that measures the time it takes your blood to clot. A PTT test can be used to check for … time is an important test because the time it takes your blood to clot may be affected by: Blood-thinning … used. Low levels of blood clotting factors. A change in the activity of any of the clotting factors. The absence of any …
Medical tests
… Sleep studies are tests that record what happens to your body during sleep. The studies are done to find out what's causing your sleep problems. Sleep studies can also find out if you … records several body functions during sleep, such as brain activity, eye movement, oxygen and carbon dioxide blood …
Medical tests
… Feels Test Overview A non-stress test is a test that checks your baby's heartbeat patterns. It can show heart rate … 2 hours before the test. This is because smoking affects your baby's heart rate and movements. How It Is Done For the … table. Two elastic belts with sensors are placed across your belly. One sensor tracks your baby's heart rate with …
Medical tests
… Test Overview A breast self-examination involves checking your breasts for lumps or changes. Many breast problems are … as biopsies. It is a good idea to become familiar with how your breasts look and feel and to talk to your doctor about any changes. How It Is Done The best time …
Medical tests
… Anoscopy, proctoscopy, and sigmoidoscopy tests allow your doctor to look at the inner lining of your anus, your rectum, and the lower part of the large intestine …
Medical tests
… to measure the thickness of fat at one or more places on your body. It is most accurate when a well-trained person … impedance. A small electrical current is passed through your body to measure your body's electrical resistance. This … in adult men. 20% to 32% in adult women. Your age, sex, and activity level will also affect your percentage of body fat. …
Medical tests
… made by the body to fight the virus. They will be in your blood if you have a hepatitis A infection now or have … 8 to 12 weeks after you are first infected. They stay in your blood and protect you from hepatitis A permanently. Why … had other tests that show you have liver problems. You or your doctor wants to know if you are protected from getting …
Medical tests
… things, such as physical or emotional stress, strenuous activity, infection, or injury. Normally, cortisol levels … the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect all your urine. Your doctor or lab will give you a large …
Medical tests
… ultrasound , or CT scan . The MRI makes pictures that show your breast's normal structure; tissue damage or disease, … might hear it called a "fast MRI.") This test is something your doctor or breast cancer screening centre may offer. Why … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you get …
Medical tests
… conditions, such as physical or emotional stress, strenuous activity, infection, or injury. Normally, cortisol levels … of the way cortisol levels vary throughout a day. If your doctor thinks you might make too much cortisol, the test will probably be done late in the day. If your doctor thinks you may not be making enough, a test is …
