high yield- viral/ bacterial infections Flashcards
how does meningitis present in general + in neonates?
SPECIFIC TO NEONATES:
- bulging fontanelle
- hypothermia
- poor feeding
- hypotonia
GENERAL:
- NON BLANCHING RASH
- neck stiffness
- photophobia
- fever
- vomiting
- loss of consciousness + seizures
tests for suspected meningitis?
Kernigs Test: (Kernigs= Knee)
+ve test= pain
-bend knee 90 degrees, slowly stretch
Brudkinskis Test
+ve test= involuntary flexion of hip + knee
-patient lies down and brings chin to chest
LUMBAR PUNCTURE!! (between L3-L4)
Appearance of bacteria, viral and TB cause of meningitis on lumbar puncture?
Bacteria= cloudy Viral= clear TB= cloudy
protein in sample from lumbar puncture of bacteria, viral and TB cause of meningitis?
bacteria= low viral= normal TB= low
glucose in sample of lumbar puncture in patient with bacterial, viral or TB meningitis?
bacterial= low
viral= normal
TB=low
WCC in sample from lumbar puncture of someone with bacterial, viral or TB meningitis?
bacterial= High (neutrophils) Viral= high (15-1000 lymphocytes) TB= high (30-300 lymphocytes)
bacteria culture of lumbar puncture for bacterial, viral or TB meningitis
bacteria= bacteria in culture viral= no bacteria TB= bacteria in culture
cause of meningitis 0-3 months?
GEL
Group B strep (specific <3 months)
E.coli (specific <3 months)
L. monocytogens (also found >60 years and immunocompromised)
cause of meningitis 3months- 6 years?
H. influenza (only found in 3 months- 6 years)
N. meningitidis
Strep. pneumoniae
cause of meningitis 6-60 years?
N. meningitis
Strep. pneumoniae
cause of meningitis >60 years?
N. meningitidis
Strep. pneumoniae
L. monocytogenes (only found in <3 months, >60 years and immunocompromised)
meningitis treatment community GP?
call 999
administer IM or IV benzylpenicillin
POST EXPOSURE:
-rifampicin + ciprofloxacin (ciprofloxacin is preferred)
(we cam Really Close to catching meningitis)
meningitis treatment hospital?
- Lumbar puncture
- Bloods for culture
<3 months amoxicillin + cefotaxime
>3 months cefTRIaxone + dexamethasome
(only give dexamethasome if bacteria)
causes of UTI?
E.coli (80%):
-gram neg rod shaped anaerobe, coliform bacterium
Vesicoureteric reflux (35%)
treatment for lower UTI?
<3 months= amoxicillin + genatmycin
>3 months= trimethoprim + notrofurentoin