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.
World's largest aircraft crashes during second test flight â video. The Airlander 10 aircraft slowly nosedives and crashes in footage posted to YouTube on Wednesday. The 92 metre-long aircraft was damaged on its return to Cardington Airfield in Bedfordshire around 11am, after reportedly hitting a telegraph pole. The giant craft had a successful first test flight on 17 August. No one was injured in the crash, but the cockpit was damaged. Worldâs biggest aircraft crashes in Bedfordshire. Watch the video in full.