Kluger J, Bazunga M, Goldman R, O'Rangers E, Azar P, Chow M S
Department of Pharmacy, Hartford Hospital, Connecticut 06102-5037, USA.
Am J Cardiol. 1998 Sep 15;82(6):820-3, A10. doi: 10.1016/s0002-9149(98)00446-9.
Intravenous metoprolol was found to be significantly more effective than placebo in preventing head-up tilt-table induced neurally mediated syncope. The reproducibility of acute tilt-table testing is only 63% and suggests caution in the interpretation of acute drug testing during tilt-table studies.