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Mar 11, 2009 23:23

Key
Green: is a medical procedure.
Orange is medicine.
Blue are diseases and conditions.
Purple is equipment.
Black is "other".


- B -

▪ Biopsy: A surgical procedure used for diagnostic purposes. It consists of cutting a small amount of tissue from the patient for examination under a microscope. In some cases, such as suspected skin cancer, the tissue can be removed directly from the suspect site. However, removal of tissue below the skin usually requires a large puncture to be made with the surgical instrument inserted into the puncture to excise a small amount of tissue from the suspect organ.

▪ Bleeding: Results from damage to blood vessels either from a cut or blunt force trauma. However, infection and other diseases (e.g. Ebola virus) can also result in the breaking of blood vessels. Although minor bleeding usually resolves itself, severe bleeding can kill a patient in minutes. Because all cells need the oxygen and nutrients delivered by blood, there are blood vessels throughout the body. At the cellular level, the blood vessels narrow down to capillaries, which reach into every tissue of the body. In most bleeding, it is capillaries which are damaged, as they can be found close to the surface of the skin and most organs.

▪ Blindness: The inability to process visual information. It is always a symptom of a serious disorder, but can have several underlying causes.

▪ Blood pressure: A measure of the force blood in major arteries (generally, the arteries leading to the arm) can overcome over resistance. It is expressed as a ratio of two numbers - the pressure in millibars of mercury that the blood in the artery can overcome when the vessels are under direct pressure from the heart when it contracts, and the pressure the blood can overcome when the heart is at rest in the short time between beats. "Normal" blood pressure is generally 120/80, but blood pressures from about 110/70 to 140/90 are considered acceptable.

▪ Blood Test: A standard diagnostic tool used to check the level of certain components and chemical compounds usually found in blood. Blood can also be tested for certain toxins and antibodies to certain diseases, as well as vitamin levels. Several blood tests are often done routinely, while others have to be targeted due to the need for special equipment or the fact that each test needs a certain amount of blood.

▪ Blood Thinners: Any one of a number of drugs designed to prevent the blood in the body from clotting. They are appropriate in treating any disorder which may be the result of obstruction of the blood vessels and are routinely used to treat heart attacks and stroke. However, administering a blood thinner to a patient who is suffering from a bleeding disorder is often fatal, so they must not be administered on patients who may be suffering from internal or external bleeding, or patients who are ready to undergo or have recently undergone surgery.

▪ Botulism: A type of poisoning caused by ingestion of the botulism toxin. The toxin is produced by a type of anaerobic bacteria. It is commonly found in canned food that was not heated to an appropriately high temperature. It is a very common type of food poisoning. Unlike other types of food poisoning, such as salmonella, it is not the actual bacteria that cause the disease. Instead, the bacteria multiply in the oxygen absent environment of a canned food and produce the toxin as a by-product.

▪ Bulimic: A mental illness that is typified by patients who usually force themselves to vomit right after eating.

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