Transesophageal (tranz-ih-sof-uh-JEE-ul) echocardiography (EK-o-kar-de-OG-rah-fee), or TEE, is a test that uses sound waves to create high-quality moving pictures of the heart and its blood vessels. TEE is a type of echocardiography (echo). Echo shows the size and shape of the heart and how well the heart chambers and valves are working. Echo can pinpoint areas of heart muscle that aren't contracting well because of poor blood flow or injury from a previous heart attack.
Grand Prix: The highest level of show jumping. Run under International Federation for Equestrian Sports (FEI) rules, the horse jumps a course of 10 to 16 obstacles, with heights and spreads of up to 6.5 feet (2.0 m).
Grand National Course and Fences. The Grand National is the ultimate test of horse and jockey. The race comprises two full circuits of a unique 2 mile (3,600 metres) course, where challengers will face 30 of the most testing fences in the world of jump racing.inally, the height of the toe boards on all Grand National fences was increased to 14 inches (36cm). Toe boards are the orange boards, positioned at the base of the fences which provide a clear ground line to assist horses in determining the base of the fence.