TY - GEN AU - Davrath,L R AU - Gotshall,R W AU - Tucker,A AU - Sadeh,W Z AU - Luckasen,G J AU - Downes,T R AU - Coonts,C C TI - The heart is not necessarily empty at syncope SN - 0095-6562 PY - 1999///0506 KW - Adult KW - Blood Pressure KW - Cardiac Output KW - Cardiac Volume KW - Catecholamines KW - blood KW - Echocardiography KW - Heart KW - physiopathology KW - Heart Rate KW - Humans KW - Lower Body Negative Pressure KW - Male KW - Posture KW - Space Flight KW - Stroke Volume KW - Syncope KW - Vascular Resistance KW - Ventricular Function, Left N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S ER -