152 - Haemophilus and Moraxella Infections Flashcards
Haemophilus influenzae is a G(_) that can grow in __and __ environment.
-
aerobic
anaerobic
When growing in an anaerobic environment H. influenzae needs factor __ and __
X
V
H. influenzae transmission is via __ or __.
droplets
direct touch
__ to influenzae has greatly influenced the rate of infections
vaccination
HIb causes __ disease by hematogenic spread to distant organs: 3
systemic
meninges
bones
joints
Nontypeable can cause:2
chronic otitis media
recurrent LRTI in adults with COPD/chronic bronchitis
HIb clinical manifestations include: 4
meningitis
epiglottitis
cellulitis
pneumonia
Most of the patients with H. influenzae bacteremia have chronic disease such as: 3. Remember also people dealing with __
HIV
cardiopulmonary
malignancy
alcoholism
__ is the best way to diagnose HIb
cultures
Treating HIb is done with cephalosporines (__/__)
ceftriaxone/cefotaxime
HIb meningitis treatment should last for - weeks with / or +. __ is recommended to reduce neurological symptoms.
1-2
ceftriaxone/cefotaxime
ampicillin+ chloramphenicol
dexamethasone
HIb epiglottitis treatment should include __ or __. This is considered as an __ situation and airway must be kept open.
ceftriaxone
cefotaxime
emergency
The recommended ABx for treating nontypable are:
amoxicillin/clavulanic acid
cephalosporins
macrolides (clarithromycin/azithromycin)
fluoroquinolones (not for pregnant women)
H. influenzae is only against __
HIb
Haemophilus ducreyi is an __ and may cause __.
STD
chancroid
