Young, healthy soldiers (aged 18-20 years) were referred to the Sheba Medical Center for evaluation of recurrent syncope. Participants were recruited to the study between July 2002 and July 2004.

The tilt test is generally performed after an overnight fast to avoid possible postprandial syncope. IV cannulation, when necessary, is done 30-60 minutes before test initiation to avoid false ...

Bell Helicopter revved the engines and turned the rotors this week in the first ground test of its experimental V-280 Valor tilt-rotor aircraft, which is vying for contracts in the Army's "Future ...