CNS Infections

Question 1

Most common cause of purulent meningitis?

Answer 1

strep pneumo

Question 2

Aseptic meningitis is usually caused by? / which ones?

Answer 2

Viruses / Coxsackie/Herpes

Question 3

Which is worse - bacterial or viral meningitis?

Answer 3

Bacterial meningitis

Question 4

most common cause of Meningococcal meningitis? / where is this found?

Answer 4

Neisseria meningitidis / military barracks, schools

Question 5

What are the two special tests for meningitis?

Answer 5

Kernig and Brudzinski signs

Question 6

Most common causative agent of encephalitis? / Sx?

Answer 6

HSV1 / inflammation of the brain - confusion

Question 7

If someone has a brain abscess, what test do you NOT do?

Answer 7

lumbar puncture

Question 8

Rabies is caused by what? / Animal vectors? / Key for treatment?!

Answer 8

Rhabdovirus / bats, dogs, raccoons, skunks / Tx before reaches CNS!

Question 9

Tx for rabies / prognosis

Answer 9

IVIG / Death is imminent if it spreads to CNS - you really don’t want rabies

Question 10

Causative agent of poliomyelitis?

Answer 10

Enterovirus

Question 11

Causative agent of Botulism / how do you get it?

Answer 11

Clostridium botulinum / canned food, vaccuum-sealed foods, honey in infants

Question 12

Characteristic Sx of Botulism?

Answer 12

dilated pupils, “floppy baby syndrome,” resp failure

Question 13

Causative agent of Tetanus / Etiology

Answer 13

Clostridium tetani / rusty nail

Question 14

Sx of Tetanus / Tx

Answer 14

Jaw stiffness –>neck/muscle stiffness / IgG

Question 15

West Nile virus - causative agent / animal

Answer 15

Flavivirus / mosquito

Question 16

Classic PE finding of WNV

Answer 16

Exaggerated DTRs

Question 17

Sx of West Nile Virus

Answer 17

Fever, malaise, stiff neck, sore throat, vomiting, encephalitis, upper motor lesion signs