Imaging identifies abnormalities in medial temporal and inferior frontal gray matter in HSV
CT Head - edema and petechial hemorrhage
MRI - increased T2 intensity
LP
Bloody tap consistent with HSV
CT Head - edema and petechial hemorrhage
MRI - increased T2 intensity
Bloody tap consistent with HSV
Encephalitis
SAH
Meningitis 
Lyme disease
Meningitis
Brain abscess
Meningoencephalitis
Bacterial endocarditis