"diagnosis is established primarily by demonstrating a markedly narrowed lumen with "trickle flow," on colour or power Doppler ultrasound"
"total occlusion of the ICA:"
"Society of Radiologists in Ultrasound (SRU) consensus"
"Sonographic NASCET Index"
"Australasian Society for Ultrasound in Medicine"
"Society of Radiologists in Ultrasound (SRU) consensus"
"[PSV = peak systolic velocity; EDV = end-diastolic velocity; ICA = internal carotid artery; CCA = common carotid artery]"
"[PSV = peak systolic velocity; EDV = end-diastolic velocity; ICA = internal carotid artery; CCA = common carotid artery]"
"ICA PSV is"
"additional criteria include ICA/CCA PSV ratio"
"additional criteria include ICA/CCA PSV ratio"
"ICA PSV is"
"additional criteria include ICA/CCA PSV ratio"
"additional criteria include ICA/CCA PSV ratio"
"ICA PSV is 125-230 cm/sec and plaque is visible sonographically"
"additional criteria include an ICA/CCA PSV ratio of 2.0-4.0 and an ICA EDV of 40-100 cm/sec"
"additional criteria include an ICA/CCA PSV ratio of 2.0-4.0 and an ICA EDV of 40-100 cm/sec"
"ICA PSV is >230 cm/sec and visible plaque and luminal narrowing are seen at grey-scale and colour Doppler ultrasound (the higher the Doppler parameters lie above the threshold of 230 cm/sec, the greater the likelihood of severe disease)"
"additional criteria include ICA/CCA PSV ratio >4 and ICA EDV >100 cm/sec"
"additional criteria include ICA/CCA PSV ratio >4 and ICA EDV >100 cm/sec"
"Sonographic NASCET Index"
"pansystolic spectral broadening with a PSV of >125 cm/sand"
"or"
"EDV >110 cm/sor"
Expected headings
"Classifications"
"Society of Radiologists in Ultrasound (SRU) consensus"
"Sonographic NASCET Index"
"Australasian Society for Ultrasound in Medicine"
"[PSV = peak systolic velocity; EDV = end-diastolic velocity; ICA = internal carotid artery; CCA = common carotid artery]"
"[PSV = peak systolic velocity; EDV = end-diastolic velocity; ICA = internal carotid artery; CCA = common carotid artery]"
"[PSV = peak systolic velocity; EDV = end-diastolic velocity; ICA = internal carotid artery; CCA = common carotid artery]"
"complete occlusion: no flow; terminal thump"
"no flow; terminal thump"