Transcranial Doppler1 Flashcards
Branches of the ophthalmic artery
nasal, frontal, supraorbital
periorbital branches of the ECA
Facial, superficial temporal
MCA depth (transtemporal window)
3-6 cm
ACA (A1) mean velocity
transtemporal window
50 cm/s
C1/terminal ICA flow direction
transtemporal window
antegrade
PCA(P1) depth
transtemporal window
6-7.5 cm
PCA(P2) mean velocity
transtemporal window
40 cm/s
Basilar artery tip flow direction
transtemporal window
bidirectional
MCA mean velocity
transtemporal window
55 cm/s
ACA(A1) flow direction
transtemporal window
retrograde
C1/terminal ICA depth
transtemporal window
6-7 cm
PCA(P1) mean velocity
transtemporal window
39 cm/s
PCA(P2) flow direction
retrograde
Basilar artery tip depth
transtemporal window
7-8 cm
MCA flow direction
transtemporal window
antegrade
ACA(A1) depth
transtemporal window
6-7.5 cm
C1/terminal ICA mean velocity
transtemporal window
39 cm/s
PCA(P1) flow direction
transtemporal window
antegrade
PCA(P2) depth
transtemporal window
6-6.5 cm
Basilar artery tip mean velocity
transtemporal window
40 cm/s