329 results found
Medical tests
… under a microscope. Several different methods may be used to obtain a skin sample, depending on the size and … be taken is cleaned with an alcohol wipe. A marker may be used to outline the edges of the skin sample. For some biopsies, a surgical drape is used to cover the area around the biopsy and the doctor will …
Medical tests
… Overview A viral test is done to find infection-causing viruses. Viruses grow only in living cells. Viruses cause disease by destroying or damaging the cells they …
Medical tests
… rectum . Guided by ultrasound, a spring-loaded needle is used to take samples from the prostate through the rectal … between the scrotum and anus. While ultrasound is often used to guide the sampling, other ways of imaging such as MRI or CT scans may also be used. A prostate biopsy may be done: When a blood test shows …
Medical tests
… Test Overview An echocardiogram (also called an echo) uses sound waves to make an image of your heart. A device … work hard. Sometimes, instead of exercise, a medicine is used that makes your heart respond like you have been … through a vein (intravenously, or IV). The IV can be used to give you a contrast material. This helps your doctor …
Medical tests
… Test Overview The slit lamp examination uses a tool that provides a magnified, three-dimensional … of different parts of the eye. Fluorescein dye may be used during a slit lamp examination. The dye makes it easier … be done: As part of a routine eye examination. It may be used along with other procedures that evaluate the eye, such …
Medical tests
… Why It Is Done Results Overview The retrograde pyelogram uses a dye to find out whether a kidney stone or something … for your urinary symptoms. The IVP cannot be done because of kidney problems such as chronic kidney disease . You … are allergic to the iodine-based dye ( contrast material ) used in the IVP. Pregnant women normally do not have this …
Medical tests
… of inflammation in your body. High levels of CRP are caused by infections and many long-term diseases. But a CRP … or what is causing it. Other tests are needed to find the cause and location of the inflammation. Why It Is Done This test is used to: Check for infection after surgery. Find out if you …
Medical tests
… This information is about medicines that are not used to control seizures. Why It Is Done Certain types of medicine need to be monitored because: At a low blood level, they don't work as well as they should. At a high blood level, they may cause problems. Your doctor may use your test results to …
Medical tests
… It's a common problem. Most erection problems are caused by a mix of blood vessel, nerve, or psychological issues. To find the cause, your doctor will first ask about your sexual history … your doctor may have you try a medicine that helps cause an erection. If the medicine doesn't help, then you may …
Medical tests
… Information Test Overview A carbon monoxide blood test is used to detect carbon monoxide poisoning . Poisoning can … such as water heaters and ovens. These things usually cause no problems. But if they are not used or installed properly, carbon monoxide may build up in …
