16
Participants
Start Date
June 30, 2003
Primary Completion Date
June 30, 2010
Study Completion Date
June 30, 2010
N-Nitro L-arginine-methylester (L-NAME)
A non-specific inhibitor of the nitric oxide synthase enzyme.
Head-up Tilt maneuver
Participant will be placed onto tilt table and brought to 15 degrees of head up tilt for 60 minutes (intravenous infusion time). After this time, a progressive increase to 45 degrees will be completed with a 10 degree increase every 5 minutes. Participant will remain at 45 degrees for 45 minutes or until symptom onset.
VA Medical Center, Bronx, The Bronx
US Department of Veterans Affairs
FED