240 results found
Medical tests
… and scanners to make magnified images, or pictures, of the back of your eye . This includes the retina. It's the part … microscopic changes in your eye that are caused by certain conditions. Why It Is Done These tests help doctors find and … if: You have diabetes or diabetic retinopathy . These conditions can lead to poor vision and even blindness. A …
Medical tests
… head or nystagmus that does not go away may be caused by conditions that affect the inner ear, brain, or the nerves … hearing aids, bring them to the test. If you have a neck or back problem, tell your doctor, so your neck and back will … head or nystagmus that does not go away may be caused by conditions that affect the inner ear, brain, or the nerves …
Medical tests
… . These include many diseases that run in families (genetic conditions) and chromosome problems. It is done during early … or needle to the right spot. CVS can find many genetic conditions, such as Tay-Sachs disease and hemophilia . It … Through the belly (transabdominal) You will lie on your back on an examination table with your belly bare. …
Medical tests
… A small hand-held device called a transducer is passed back and forth over the scrotum. The device sends the sound … torsion ). Check to see if testicular cancer has come back. Find an undescended testicle . Check for fluid in the … You will put on a gown. You'll be asked to lie on your back on a padded table. Folded towels will be used to cover …
Medical tests
… outside of your cells in balance. It also helps maintain proper blood volume, blood pressure, and pH of your body … Low chloride levels may be caused by: Conditions that cause too much water to build up in the … Low chloride levels may be caused by: Conditions that cause too much water to build up in the …
Medical tests
… with the pituitary gland , or many long-term (chronic) illnesses. A low testosterone level in men can also be … with the pituitary gland , or many long-term (chronic) illnesses. A low testosterone level in men can also be …
Medical tests
… fatigue, or bruising. A CBC also helps him or her diagnose conditions, such as anemia , infection, and many other … or toxic reaction to medicines or chemicals, and many conditions, such as leukemia . Red blood cell (RBC) count. … to the rest of the body. They also carry carbon dioxide back to the lungs so it can be exhaled. If the RBC count is …
Medical tests
… the normal pattern of electrical activity can show certain conditions, such as seizures . Why It Is Done An EEG may be … system ( neurologist ). You will be asked to lie on your back on a bed or table. Or you may sit in a chair with your … the normal pattern of electrical activity can show certain conditions, such as seizures . Why It Is Done An EEG may be …
Medical tests
… your anal sphincter muscle (as if you were trying to hold back a bowel movement) against the tube may help. Taking … treatment to return the bowel to its normal position. Many conditions can change barium enema test results. Your doctor … treatment to return the bowel to its normal position. Many conditions can change barium enema test results. Your doctor …
Medical tests
… that can cause blindness by damaging the nerve in the back of the eye ( optic nerve ). Damage to the optic nerve … may be caused by a buildup of fluid that does not drain properly out of the eye. Tonometry measures IOP by recording … may be caused by a buildup of fluid that does not drain properly out of the eye. Tonometry measures IOP by recording …