Informatica Medica Slovenica 2003; 8(1) 15 Research Paper   Measurement and Analysis of Radial Artery Blood Velocity in Young Normotensive Subjects Damjan Oseli, Iztok Lebar Bajec, Matjaž Klemenc, Nikolaj Zimic Abstract. In our study we analyze the velocity contour of blood flow in the radial artery and compare it with the typical parameters of the diastolic function of the left ventricle in young normotensive subjects with and without familial predisposition to hypertension. The analysis of velocity contour shows significant shortening of the time delay for two typical points on the secondary velocity wave: the maximum and the end of the wave. This shift of the secondary wave towards the primary wave shows diminished compliance of small vessels. According to the results our conclusion is that changes in small vessels begin earlier than impairment of the diastolic function. Author’s institution: Faculty of Computer and Information Science, University of Ljubljana (DO, ILB, NZ), Department of Cardiology, General Hospital of Gorica (MK). Contact person: Damjan Oseli, Faculty of Computer and Information Science, University of Ljubljana, Tržaška 25, 1000 Ljubljana. E-mail: damjan.oseli@fri.uni-lj.si.  Infor Med Slov 2003; 8(1): 15-19