Intro to Encephalitis Flashcards
1
Q
When is glucose low in the CSF?
A
Bacterial meningitis
2
Q
What can the MRI lesion in temporal lob indicate?
A
HSV infection
3
Q
What can MRI lesion in basal ganglia and thalamus indicate?
A
Flavivirus causing encephalitis
4
Q
What are the properties of Herpes Viruses?
A
dsDNA, Group 1 Linear Genome Icosahedral Nucleocapsid Enveloped Herpesviridae
5
Q
What are the alpha herpes viruses?
A
HSV-1
HSV-1
VZV
6
Q
What symptoms are associated with encephalitis?
A
- Altered level of consciousness
- Focal neurological deficits:
- –Hemiparesis
- –Aphasia
- –Hemispatial neglect
- –Movement disorders
- Seizures (more common than in meningitis)
- Coma
7
Q
What is hemiparesis?
A
Weakness on one side of the body
8
Q
What is aphasia?
A
Speech/communication issues
9
Q
What is hemispatial neglect?
A
Deficit in attention to and awareness of one side of space
10
Q
What percentage of encephalitis is idiopathic?
A
Greater than 50%
