Innovations and developments in vascular ultrasound

Author(s): Dr Kate Bryant, Dr Rhys Morris

Hospital: University Hospital of Wales, Cardiff

Reference: RAD Magazine, 49, 578, 11-12

Excerpt: 

The Doppler effect was first described by Christian Andreas Doppler in 1842. However, it was not until the mid-1950s that Doppler shift techniques were first used to monitor heart and peripheral blood vessel pulsations. The further development of Doppler imaging technologies with the detection of blood flow through the heart and peripheral vessels took place in the 1960s. The first pulsed duplex machines were developed in the 1970s, with the addition of colour flow mapping technology in the 1980s, and power Doppler flow mapping in the 1990s. In the 2000s the development of single crystal technology and increasing computing capabilities enabled significant improvements to existing Doppler ultrasound technologies, including the development of high resolution imaging techniques. Today, the most commonly used ultrasound technologies in vascular ultrasound are B-mode, spectral Doppler/duplex, colour flow, triplex, power Doppler, high resolution flow imaging and microvascular imaging.

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