CAROTID
DUPLEX SCAN
FINDINGS: The present study was compared
with the previous study of 06/10/2011.
Correlation was also made with CTA of the carotid arteries performed on
09/20/2011.
On the present study,
once again total occlusion of the right carotid system is noted. The velocity of the blood flow in the left
common carotid artery is 122 cm/sec proximally, in the distal left common
carotid artery, it is 136 cm/sec. In the
proximal left internal carotid artery, it is 128 cm/sec and in the left distal
internal carotid artery, it is 137 cm/sec.
Antegrade blood flow was seen in the left vertebral artery.
The
ICA/CCA ratio on the left is 1.01.
IMPRESSION: About 55% stenosis of left internal carotid
artery. There is apparent discrepancy in
comparison with the previous study of 06/10/2011, which showed about 80%
stenosis of the left internal carotid artery.
This may be related to the technical factors. Clinical correlation and further evaluation with
catheter-directed angiography is recommended.
Total occlusion of the
right internal carotid artery with no significant interval change in comparison
with previous study.
Thank you for the referral.
XXXXXXXXX, M.D.
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