Atypical pneumonia

Question 1

Atypical pneumonia

Answer 1

Penicillin resistant
‘Walking pneumonia’ as no hospitalised
Less serious cough, SOB and chest pain.

Question 2

Atypical pneumonia causative organisms?

Answer 2

Mycoplasma pneumoniae
Chlamydophilia
Legionella pneumoniae

Question 3

Mycoplasma pneumoniae

Answer 3

V small
No peptidoglycan (cholesterol instead)
Young adults and students
Bind to cillia epithelia cells

Question 4

Chlamydophilia pneumoniae

Answer 4

Small obligate anaerobe, gram -ve
No peptidoglycan
Flu like symptoms
Cannot culture so detect w ELISA and microflourecence

Question 5

Legionella pneumoniae

Answer 5

Motile aerobic rod gram -ve
Pneumonia symps + confusion
No human transmission - from showers, taps, spas and air con (hotels, hospitals, flats)
Invades phagocytes and lung cells
Detect antigens in urine

Question 6

What causes penicilin resistance?

Answer 6

Penicilin kills bacteria by stopping peptidoglycan formation therefore atypical pneumonia are resistant.