328 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
… Test Overview This test is done by measuring blood pressure at the ankle and in the arm while a person is at … This drop may be important, because PAD can be linked to a higher risk of heart attack or stroke. Why It Is Done This …
Medical tests
… or trisomy 18 . First-trimester screening tests include: Blood tests. These measure the level of two substances in … a set of numbers. A positive result means that there is a higher-than-average chance that your baby has Down syndrome … you have a positive result. This means that your baby has a higher chance of a birth defect. A negative result means …
Medical tests
… tissue from the body. A karyotype test usually is done on a blood sample taken from a vein. For testing during … be done on a sample of amniotic fluid or the placenta . Blood sample from a vein A health professional uses a needle to take a blood sample, usually from an arm. Cell sample from a fetus …
Medical tests
… for twisting of the spermatic cord . This problem cuts off blood supply to the testicles ( testicular torsion ). Check … ( hydrocele ), fluid in the epididymis (spermatocele), blood in the scrotum (hematocele), or pus in the scrotum … scrotum hurts already from an injury or illness, the slight pressure from the transducer may be somewhat painful. You …
Medical tests
… It Is Done Results Test Overview The blood supply to your hand normally comes from two arteries: … procedure called the Allen test can be used to find out if blood flow to your hand is normal. This test checks to see … towel and make a fist. The health professional will apply pressure to the arteries in your wrist for several seconds. …
Medical tests
… Information Test Overview Hepatitis C virus (HCV) test is a blood test that looks for the genetic material ( RNA ) of … makes against HCV. These proteins will be present in your blood if you have a hepatitis C infection now or have had … choose the proper treatment. HCV is spread through infected blood. There is no vaccine available to prevent hepatitis C. …
Medical tests
… the skin surface and away from any internal organs or large blood vessels. A bone biopsy is often done on bone areas … your test. Your doctor will tell you if you should stop taking any of them before the test and how soon to do it. If … pinch or sting from the numbing medicine. You may feel pressure or a brief, sharp pain as the needle enters the …
Medical tests
… this test, unless your doctor tells you to. If you are taking any medicines, particularly anti-inflammatory … under the microscope. If you take aspirin or some other blood thinner, ask your doctor if you should stop taking it … with a chemical that stops bleeding and by applying pressure. The biopsy site is then covered with a bandage or …
Medical tests
… Test Overview A toxoplasmosis test is a blood test that checks for antibodies to the Toxoplasma … within 2 weeks after a person is infected. The titre is the highest 1 to 2 months after infection. If high titres of the IgM type of antibody are found, it means …
