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contests of speed and endurance with serious biochemical and physiological consequences lessened by adequate training beforehand. See also physical fitness, exertional rhabdomyolysis, heat exhaustion, pulmonary hemorrhage, epistaxis, exhaustion.

racing dogs
usually refers to Greyhounds and Whippets, but in some instances may be used to describe the dogs used for endurance sledge racing.
racing pigeons
a variety of pigeons, bred and selected to fly long distances back to their own homes. Races are conducted as time trials with groups of birds being released at specific times and their arrival clocked in.
racing plates
lightweight, single-use, horseshoes made of aluminum and with a fullered contact surface; see also horseshoeing.

Patient discussion about racing

Q. what causes the heart to race so fst it feels like it going to come right out your chest?

A. Too much caffeine or alcohol or food can sometimes cause your heart to race in an erratic way. Heart rhythm problems (arrhythmias) occur when the electrical impulses in your heart that coordinate your heartbeats don't function properly, causing your heart to beat too fast, too slow or irregularly.

Arrhythmias are common and usually harmless. Most people have occasional, irregular heartbeats that may feel like a skipped, fluttering or racing heart. However, some heart arrhythmias may cause bothersome — sometimes even life-threatening — signs and symptoms. Hope this helps.

More discussions about racing
References in periodicals archive ?
The Race for Education is a national education scholarship foundation funded by various parties with an interest in the thoroughbred racing industry.
com is a diversified provider of technology and pari-mutuel horse racing content for consumers through Internet and telephone platforms and is a leading supplier of totalizator systems, terminals and other pari-mutuel wagering services and systems to the pari-mutuel industry through its United Tote subsidiary.
pari-mutuel market; and Youbet's play-for-points racing education website - www.
To be eligible for the national tryouts and to appear on "Reality Racing - The Rookie Challenge" male and female drivers must be complete amateurs with no prior oval track racing experience of any kind.
According to Schaefer, "Our show gives people who believe they have what it takes to be a professional race car driver the chance to live their dream by not only competing against other drivers of similar experience, but knowing that the winner of "Reality Racing - The Rookie Challenge" will be given the opportunity to actually drive professionally as a member of an established, NASCAR sanctioned series race team.
Information can be obtained by viewing the Reality Racing website at http://www.
Galles ECR Racing Car owner, Rick Galles, is thrilled that his team is bringing a new partner into the Indy Racing League.
They are a young aggressive company that I believe fits the image of the Indy Racing League.
com car will be seen by millions of racing fans, both at the track and via the ABC television network, which will televise all of the Indy Racing Leagues' events.
The Indy Racing League was formed March 11, 1994 when Tony George, president of the Indianapolis Motor Speedway announced plans for a new open-wheel racing series for Indy-style cars with emphasis on oval tracks.
The Indy Racing League was founded on the following principles: provide a healthy, competitive environment with equal treatment for all competitors and teams; provide opportunities for new participants; bring Indy-style racing to new markets; control costs associated with racing; ensure safety and competitive parity; and nurture the rich heritage of oval-track open wheel racing.
The Indy Racing League is open to all teams with a legal car and qualified driver.