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).
But it was a reminder that many in Britain are still living in an imperial past: the horse racing industry in the UK still uses for measurement an archaic mix of miles, furlongs, yards, feet and hands. The Grand National race is 4 miles 3 furlongs 110 yards in length, about 7140 metres.ccording to the Aintree and Grand National website, the details for some of the other features of this race are: 1  Run-in from the final fence of the steeplechase: 494 yards. 2  Height of fence 1: 4 ft 6 in. 3  Height of fence 2: 4 ft 7 in.