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.
It was Flight 1420's co-pilot, Michael Origel. Sitting in his wrecked cockpit on the bank of the Arkansas River, Origel dialed his cell phone to give the operation center the news: His plane had crashed. It was a short call, American says, without releasing the details.