Micturition Syncope Produced by Orthostasis and Bladder Distention

Abstract

MICTURITION syncope, or syncope occurring before, during or after micturition, is a relatively new clinical entity. Although syncope associated with micturition has been mentioned by many authors in the past, including Gastaut and Fischer-Williams,1 Treires2 and Dermksian and Lamb,3 the first detailed case reports, by Proudfit and Forteza,4 appeared in 1959. These authors,4 and later, Lyle et al.5 listed numerous hypotheses for the physiologic basis of this type of syncope. Orthostasis, the Valsalva maneuver and vasodepressor or cardioinhibitory reflex mechanisms have been mentioned as possible precipitating factors.Although extensive cardiovascular studies involving the tilt table were done in most of . . .