Hyponatremia refers to a low level of sodium in the blood. Hyponatremia may result from excess fluid in the body relative to a normal amount of sodium, or it may be due to a loss of sodium and body fluid. Symptoms are nonspecific and can include: mental changes, headache, nausea and.
A third plane, American Airlines Flight 77, hit the western side of the Pentagon, just outside Washington, D.C. The fourth hijacked plane, United Airlines Flight 93, crashed down in a field in rural Pennsylvania, never reaching its intended target because its crew and passengers fought back against the terrorists.
Payne Stewart plane crash. 25 October 1999; Sunjet Aviation Learjet 35; N47BA; near Aberdeen, SD: Both pilots and all four passengers, including professional golfer and 1999 US Open winner Payne Stewart, were killed in the crash of a Learjet 35 aircraft.