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Hemodynamic analysis during isoproterenol-induced vasovagal syncope
W K Shen1, A M Fenton, C M Lohse
1Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA.
The American Journal of Cardiology
|October 7, 1997
Abstract:
An isoproterenol-mediated increase in cardiomotor tone and a decrease in afterload contribute to the induction of vasovagal syncope. Contrary to conventional belief, a significant decrease in preload is not observed immediately before isoproterenol-induced syncope.
Keywords:
Non-programmatic