TBI	Traumatic brain injury
TCVI	Traumatic cerebrovascular injury
MRI	Magnetic resonance imaging
CT	Computed tomography
CTA	Computed tomographic angiography
MRA	Magnetic resonance angiography
CTV	Computed tomographic venography
MRV	Magnetic resonance venography
DSA	Digital subtraction angiography
AVF	Arteriovenous fistula
CCF	Carotid–cavernous fistula