The Korean Journal of Clinical Laboratory Science : eISSN 2288-1662 / pISSN 1738-3544

Table 1.

Reference value

Window Vessel Depth (mm) Flow direction Normal MFV (cm/sec) Depth (No. of save)
Temporal MCA 45∼60 Toward 30∼80 46, 50, 54, 60 (4)
ACA 65∼75 Away 30∼70 66, 70, 74 (2)
Bifurcation 62∼66 Bifurcation - 62, 64, 66 (1)
PCA 55∼75 P1: Toward 20∼50 62, 66, 70
Standard (PCA-P1) (2)
P2: Away
Orbital OA 40∼60 Toward 10∼30 42, 46, 50, 54 (2)
Siphon 60∼70 C2: Away 30∼70 62, 66, 70
Standard (C4) (2)
C3: Bifurcation
C4: Toward
Suboccipital VA 55∼80 Away 20∼55 60, 66, 70, 74 (3)
BA 80∼120 Away 20∼55 From 80 to over 100 with 4 depth
Submandibulara) CCA - Away - Proximal, middle, distal (3)
ECA - Away - (1)
ICA - Away - (1)

a)4 MHz probe (continuous wave)- no depth.

Abbreviations: MFV, mean flow velocity; MCA, middle cerebral artery; ACA, anterior cerebral artery; PCA, posterior cerebral artery; P1, P1 portion; P2, P2 portion; OA, ophthalmic artery; VA, vertebral artery; BA, basilar artery; CCA, common carotid artery; ECA, external carotid artery; ICA, internal carotid artery.

Korean J Clin Lab Sci 2023;55:219-26 https://doi.org/10.15324/kjcls.2023.55.3.219
© 2023 Korean J Clin Lab Sci