Resp infections Bacteria Flashcards
What is pneumonia
the presence of symptoms of signs of lower respiratory tract infection and new pulmonary shadowing on CXR
In who is CAP common
Males, elderly, alcoholics, chronic disease
What type of bacteria causes CAP generally
60-80% conventional bacteria
10-20% atypical bacteria
10-20% viruses
What is the most common cause of CAP
s.pneumoniae
What is the primary cause of CAP in children who have not received HIB and in those with COPD
H.influenzae
What is the second biggest cause of CAP, and what is characterisitc about its infection
M.pneumoniae
characteristic extra pulmonary features
What does L.pneumophila cause
sporadic and outbreak CAP
severe disease in immunocompromised and smokers
What assessments can be made to aid diagnosis of CAP
temp FBC urea and electrolytes LFT CXR ABG
How is severe CAP defined
C onfusion
U rea
R esp rate
B lood pressure
