Athanasos, P.Sydenham, D.Latte, G.Faunt, J.Tonkin, A.2006-07-262006-07-262003Clinical Autonomic Research, 2003; 13(6):453-4550959-98511619-1560http://hdl.handle.net/2440/14369Thirteen syncopal subjects and thirteen asymptomatic controls were examined by head-up tilt (HUT) with and without sublingual GTN.Adding GTN to HUT improved the sensitivity of the test (8 % to 46%) but decreasedennitroglycerindiagnostic-usesyncope aetiologytilt-table-test-methodsVasodepressor syncope and the diagnostic accuracy of the head-up tilt test with sublingual glyceryl trinitrateJournal article002003141810.1007/s10286-003-0112-80001882913000162-s2.0-164250369658216