291 results found
Medical tests
… The vibration speed of a sound wave determines how high or low a sound is (pitch). The height of the sound wave … than in the other ear. You can only hear certain sounds at high decibel levels. You can hear sounds, but you can't … to hear it. Frequency, or pitch (whether a sound is low or high), is measured in vibrations per second, or hertz (Hz). …
Medical tests
… An infection, endometriosis , or a previous ectopic pregnancy may cause severe scarring of the fallopian tubes and block the tubes. This can prevent pregnancy. Find problems in the uterus, such as an abnormal … disease (PID) , endometriosis , or a previous ectopic pregnancy . The dye may leak through the wall of the uterus, …
Medical tests
… makes it easier to find problems with increased or abnormal blood flow, such as with some types of cancer or areas of … and valuable test for looking at the breast. But it has a high rate of false-positive results. And it's not available … and valuable test for looking at the breast. But it has a high rate of false-positive results. And it's not available …
Medical tests
… dye and camera ( fluoroscopy ) to take pictures of the blood flow in the blood vessels of the head and neck . An angiogram of the … the veins or the four arteries (four-vessel study) carrying blood to the brain. During an angiogram, a thin, soft tube …
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 … such as an ulcer. Or it may be done to look for blocked blood vessels in your lungs. During an angiogram, the doctor will put a thin, flexible tube into a blood vessel in your groin or arm. This tube is called a …
Medical tests
… Test Overview Partial thromboplastin time (PTT) is a blood test that measures the time it takes your blood to … closely checked. If you have a longer PTT, you may have a higher risk of bleeding. Medical Tests: … closely checked. If you have a longer PTT, you may have a higher risk of bleeding. Medical Tests: …
Medical tests
… waves are normally found when you are alert or have taken high doses of certain medicines, such as benzodiazepines . … has stopped. It's usually caused by lack of oxygen or blood flow inside the brain. It may happen when a person has … waves are normally found when you are alert or have taken high doses of certain medicines, such as benzodiazepines . …
Medical tests
… himself or by his sex partner. The chance of cure is very high when this cancer is found early and treated right away. … also check the lymph nodes in your groin and your inner thigh for swelling. Self-exam The self-examination is best … mean an infection, such as epididymitis . Or it may mean blood flow to the testicle is blocked ( testicular torsion …
Medical tests
… Test Overview A d-dimer test is a blood test that measures a substance that is released when a … means that a blood clotting problem isn't likely. A higher-than-normal d-dimer level might mean that there is a blood-clotting problem. But a higher level might be caused by some other health problem or …
Medical tests
… dye and camera ( fluoroscopy ) to take pictures of the blood flow in the blood vessels of the lung . During an angiogram, a thin tube called a catheter is placed into a femoral blood vessel in the groin (femoral vein) or just above the …
