TABLE 1.

CE Transcranial Ultrasound Detection Rates

Vessel	Detection Rate
Temporal Window (N=17)
	Observer 1	Observer 2	Both Observers
Ipsilateral
M1	100	100	100
M2	65	41	41
A1	88	94	88
A2	59	53	35
P1	82	100	82
P2	82	82	77
ICA	29	88	29
Contralateral
M1	88	100	88
M2	0	18	0
A1	88	82	71
A2	24	18	0
P1	77	88	71
P2	24	29	12
ICA	0	47	0
Ipsilateral Circle (M1, A1, P1)	59	71	59
Complete Circle	71	94	71
Subocciptal Window (N=9)
	Observer 1	Observer 2	Both Observers
LVA	67	89	67
RVA	55	67	44
VB Junct.	33	67	33
BA	44	89	44
Both VAs Junct. and BA	22	22	22