Word: backflow
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...important to know that these signs aren't specific for a heart attack and may be caused by another condition. The classic case of mistaken identity is when a patient suffering from acute heartburn confuses a backflow of stomach acid with a developing cardiac arrest (although you should be wary of any "heartburn" that doesn't go away or gets worse as you walk around). Tension and injuries in the chest muscles can also be mistaken for angina...
...mitral-valve prolapse, it makes sense to ask your doctor to check again, particularly if it was diagnosed several years ago. That may be as simple as reviewing the tapes of your last ultrasound exam. If you do have mitral-valve prolapse but no thickening of the valves or backflow of blood into the left atrium, you probably don't need to take antibiotics before most dental procedures, according to the latest guidelines. Still, be sure to alert your doctor if you experience shortness of breath, a racing heartbeat or light-headedness...
...room buzzes with ambient sound. At 10 minutes, hundreds of rustling papers and chitchat fill the room with ugly, roaring noise, overwhelming the quiet plaint of the antique benches that groan under the load of bodies. Sanders swarms; handouts and slow-movers clog the main door causing backflow into Memorial Hall. The room's air, warm and moist, smells of Chickwich. The Harvard monster-size class begins...
...flow of refugees would become intolerable by then. In fact, it eased a bit last week -- on Wednesday the U.S. Coast Guard picked up only 178, the lowest number since June 20, though that might have been because of rough seas. There are even the beginnings of a backflow: some escapees who were caught and interned have despaired of ever getting to the American mainland and have chosen to return to Haiti rather than continue living indefinitely in jammed quarters at the U.S. naval base at Guantanamo Bay, Cuba...
...month in some areas for all that water to flow back into the rivers, through the levees it came around or over. (Yes, through. The water might go back through holes eroded in the levees or through gravity drains that are closed during floods but reopened to allow a backflow into the river.) Then comes the monumental task of cleanup. The receding waters will leave behind all manner of wreckage. Examples: the floating chicken coops and broken tree branches Paul Rice has to steer his flat-bottomed boat past to reach his submerged home in St. Charles County...