329 results found
Medical tests
… plaque is done using a product that stains the plaque on your teeth. Dental plaque is a sticky film of bacteria that sticks to your teeth, the spaces between the teeth, and under your … in foods to make acids and other substances that can cause problems and damage the teeth, gums, and bone. Acids can …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures the amount of alcohol in the air that you breathe out (exhale). You can measure your own breath … a simple hand-held device. If the device is calibrated and used according to the manufacturer's directions, it can …
Medical tests
… several ways to do a breast biopsy. The type of biopsy that you have will depend on the size and location of the abnormal area. Fine needle breast biopsy. Your doctor inserts a thin needle into a lump or abnormal … To guide the biopsy, ultrasound or other imaging may be used. After samples are removed, a tiny marker clip is …
Medical tests
… Test Overview Laryngoscopy is an examination that lets your doctor look at the back of your throat, your voice box (larynx) , and vocal cords with … There are two types of laryngoscopy, and each uses different equipment. Indirect laryngoscopy Indirect …
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 bleeding problems. Blood clotting factors … time is an important test because the time it takes your blood to clot may be affected by: Blood-thinning …
Medical tests
… Risks Results Test Overview A CT scan uses X-rays to make detailed pictures of the spine and vertebrae . During the test, you will lie on a table that is attached to the CT scanner, … of the scanning machine can tilt to follow the curve of your spine. All of the pictures are saved as a group on a …
Medical tests
… hysteroscopy is a procedure to find and treat problems with your uterus. It may be done to remove growths from the uterus, such as fibroids or polyps. It may also be used to diagnose and treat abnormal bleeding or fertility … is called a hysteroscope, or scope. The doctor will fill your uterus with air or liquid. This makes it easier to see …
Medical tests
… Test Overview A tonometry test measures the pressure inside your eye, which is called intraocular pressure (IOP). This test is used to check for glaucoma , an eye disease that can cause … eye. Tonometry measures IOP by recording the resistance of your cornea to pressure (indentation). Eyedrops to numb the …
Medical tests
… Test Overview A Doppler ultrasound test uses reflected sound waves to see how blood flows through a … stroke. How To Prepare Depending on what the test is for, you may be asked not to eat or drink after midnight before the test. Or you may be asked to drink water right before the test so …
Medical tests
… Test Overview An echocardiogram (also called an echo) uses sound waves to make an image of your heart. A device called a transducer is moved across your chest. It looks like a microphone. The transducer sends …
