Design and use of a quantitative scale for measuring presyncope.
Sheldon RS, Amuah JE, Connolly SJ, Rose S, Morillo CA, Talajic M, Kus T, Fouad-Tarazi F, Klingenheben T, Krahn AD, Sheldon A, Koshman ML, Ritchie D; Investigators of the Prevention of Syncope Study.
Sheldon RS, et al.
J Cardiovasc Electrophysiol. 2009 Aug;20(8):888-93. doi: 10.1111/j.1540-8167.2009.01466.x. Epub 2009 Apr 2.
J Cardiovasc Electrophysiol. 2009.
PMID: 19368584
Clinical Trial.