Power doppler sonography: clinical applications in regional anaesthesia

Morillas, Pedro; Ortega, Adrián E.; Pozza, D.; Olmo, Christopher; Rouco, R.

doi:10.1097/00115550-200709001-00198

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Optimization Color Doppler1

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“…Power Doppler is a newer US technology that is up to 5 times more sensitive in detecting blood flow than color Doppler and can therefore detect vessels that are difficult or impossible to see using standard color Doppler. 40 Unlike color Doppler, power Doppler is almost angle independent, thus reducing the incidence of false negatives. However, there are 2 disadvantages: it gives rise to more motion artifact with subtle movements such as respiration and it cannot resolve the direction of flow.…”

Section: Optimization Color Dopplermentioning

confidence: 99%