A	Surface Area
AR	Aspect Ratio
BA	Basilar Artery
CFD	Computational Fluid Dynamics
DSA	Digital Subtraction Angiography
E	Energy
EL	Energy Loss
FDS	Flow Diverting Stent
FIA	Fusiform Intracranial Aneurysm
H	Healthy
IA	Intracranial Aneurysm
MCA	Middle Cerebral Artery
VA	Vertebral Artery
OVI	Oscillatory Velocity Index
OSI	Oscillatory Shear Index
P	Pathological
p	Pressure
SIA	Saccular Intracranial Aneurysm
T	Treated
TAWSS	Time Averaged Wall Shear Stress
$T_c$	Cardiac Cycle Length
v	velocity
W	Watt
WSS	Wall Shear Stress
$\rho$	Fluid Density
$\omega$	Vorticity