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transcranial doppler ultrasound

Three segments of ICA Cervical, Petrous, Cavernous (siphon)
How much blood of ICA flows through the MCAs 75-80%
First branch of the ICA opthalmic artery
10% of population there is no us penetration due to.. thickened bone segment (hyperostosis)
TCD access windows? Transtemporal window, Transorbital, and Suboccipital
For MCAs set the sample volume depth to 5cm
MCA flow direction in a transtemporal window is.. towards the transducer and above the spectral baseline
SV depth of MCA-ACA bifurcation 5.5-6.5cm
Through the transtemporal window, only vessel that is 'away' from the transducer? Anterior cerebral artery
suboccipital window, all flows are ___ and for which arteries are viewed? away- vertbral-basilar arteries
Those that survive clipping of cerebrovascular aneurysm are at risk for vasospasm
Created by: amandarose01