Viral Meningitis Flashcards
Nervous system in viral meningitis is affected as part of
Generalised viral infection
Viruses enter through body through
Respiratory tract
gastrointestinal tract
Genitourinary tract
Skin inoculation
What happens when virus enters the body of a person that is previously exposed to the virus
IgA neutralises the virus
What happens when virus enters the body of a person and the person is not exposed to the virus
Viraemia occurs
Routes of spread to CNS
Massive viraemia
Infection along peripheral nerves
Massive viraemia spreads to cns by overcoming
Monocytes and
Reticuloendothelial defence systems
Viraemia after escaping from the defence system invaded cns via
Capillaries and veins
After virus enters the cns the clinical manifestation depends on
The specific virus
Viral meningitis is also called as
Aseptic meningitis
Common causes of viral meningitis are
Enterovirus
Mumps virus
Herpes simple type 2
Epstein Barr Virus
Rare causal of viral meningitis
Lymphocytic choriomeningitis
HIV
WEST NILE virus
Clinical feature phases of viral meningitis
Prodromal phase
Meningeal phase
Recovery
Prodromal phase features
Fever
malaise
sore throat
Meningeal phase features
Headache
Photophobia
Drowsiness
Neck stiffness
Viral meningitis signs
Neck stiffness
Kernig’s sign +ve
Skin rashes
Parotitis
Diarrhoea
Myalgia
