 The use of ultrasonography in medicine soon followed in different locations around the world . In the mid @-@ 1950s more research was undertaken by Professor Ian Donald et al . , in Glasgow , which advanced the practical technology and applications of ultrasound . In 1963 , in France , L. Pourcelot started on his thesis , which was presented in 1964 , and used pulsed Doppler for blood flow calculation as its subject . This was followed up by Peronneau in 1969 . Dr. Gene Strandness and the bio @-@ engineering group at the University of Washington who conducted research on Doppler ultrasound as a diagnostic tool for vascular disease , published their first work in 1967 . The first report published about the venous system appeared around 1967 @-@ 1968 . 
