Pneumonia Flashcards
“PNA is a great neglected diz of mankind”. Elaborate.
often misdiagnosed
mistreated
underestimated
causes of resp sx besides pna to rule in/ rule out
pharyngitis
sinusitis
bronchitis
copd
PNA- basically, what is it?
infx of pulm parenchyma from alveoli
LOWER RESP tract infx
where does the pain associated with pna came from generally?
pleura
req for diagnosis of PNA?
- cough, fever, +/- sputum
- increased RR
- abnl lung exam
- infiltrate on CXR
what demo makes up the majority of deaths from PNA?
kiddos :(
what are some general PNA prevention measures
breast milk
not smoking
not having wood burning stoves in the house all day
cardiovascular complications assoc with pna
MI, CHF, afib, CVA
CURB65 what and why?
grading how sick someone is C= confusion U= uremia R= rr > 30 B= BP <90/60 65= >65
general appearance of TYPICAL CAP on CXR? Typical appearance of ATYPICAL CAP on CXR?
lobar
patchy, diffuse
lobar pna
- intra-alveolar exudate and consolidation
- s. pneumo= #1
- leigonella, klebs
bronchopneumonia
- acute inflammatory infiltrates from bronchioles into adjacent alveoli
- s. pneumo, s. aureaus, h flu, klebs
sup with the gram stain in atypical pna?
PMNs but few organisms
atypical bugs
mycoplasma
chlamydophila pneumo
legionella
influenza, RSV, adenovirus
what do you mean you get pna from influenza?
gets complicated by s pneumo, s. aureus, group a strep
#1 cause of CAP #2 cause of CAP
s. pneumo
s. aureus
fungal causes of CAP
histoplasmosis
blastomycosis
coccidiomycosis
aspergillus
mech of pneumococcus
gets into alveoli –> adheres -> produce H2O2 and pneumolysin –> blow holes through epi cell membrane
***goal of vaccine/ immunity is to have bug bind antibodies or macs –> clear infx
when is a smokers cough worse? why?
morning
smoking slows cilia. deprived of smoke overnight so cilia wake up irritated and ready to go
what do you treat HEALTHY pt with CAP with?
macrolide, doxy
how do you treat outpatients with comorbidities?
resp flouroquinolone (levo or moxi) mac+ amox/clav
how do you treat inpatients not in the icu?
resp flouroquinolone
mac
b-lactam 3rd gen ceph
how do you treat ICU patients
3rd gen ceph
resp flouroquin or mac
23 valent pneumo vax?
ADULTS
- effective for bacteremia but not mucosal infx
- adults over 65
- asplenic pt
13 valent pneumo vax conjugate?
CHILDREN and old adults
-polysach capsule + protein conjugate