Study Guide Test 1 Flashcards
What would be some warning signs of stroke
Temporary blindness in one eye (quizlet)
Adifferenxe in 20 ml mecury pressure between arms suggest disease in what vessel
Subclavin artery
Doppler signal from the ECA is what kind of flow?
High resistance
What kind of flow patteren is the ICA
Low resistance
Which is not an U/S finding of an ICA occlusion
Reduced diastolic blood flow patteren (quizlet)
TIA deficit
Resolves within in 24hrs
Vetebra A. , bilateral are typically the same w/o disease, so they are?
Asymmetrical
When you put blood doppler in blood sample,it should be parallel to what?
To the vessel wall
The degree of stenosis of the originOf the ICA is determined by?
Peak systolic and end diastolic
Most valuable tool to determine stenosis
Doppler
Innominate A. Divides into what two vessels?
Rt subclavain Rt CCA
Sample volume should be kept where inside the vessel during the carotid exam?
Small
Abnormal spectral waveform from the ICA suggests what?
Prox or distal disease or occlusion
Contralateral ICA occlusion may cause ipsilateral to what
Increased
Determine ICA, CCA ratio, CCA should be ontained from what portion of the CCA
Distal segment (AFL)