Pneumonia

Question 1

how can you differentiate different lobar pneumonias of the right lung on CXR

Answer 1

right :
upper: clear heart outline and diaphragm clear
middle: + cardiac silhouette sign
lower: + diaphragmatic silhouette sign

Question 2

how can you differentiate different lobar pneumonias of the left lung on CXR

Answer 2

left:
upper: + cardiac silhouette sign
lower: + diaphragmatic silhouette sign

Question 3

how do atypical pneumonias present on CXR

Answer 3

billateral patchy infiltrates
tend to appear very severe on CXR but symptoms may not be as severe

Question 4

what are some symptoms of typical pneumonia

Answer 4

acute onset
fever
productive cough
rigors
night sweats
pleuritic chest pain
coarse crackles

Question 5

what are some symptoms of atypical pneumonia

Answer 5

insidious onset
generally unwell: malaise, fatigue, anorexia,
dry cough
extrapulmonary symptoms:
myalgia, N/V/D, acute hepatitis, encephalitis, vasculitis/thrombosis

Question 6

what are some atypical organisms

Answer 6

‘leigons of pscittaci MCQ’
- leigonella pneomophillia
- mycoplasma pneumoniae
- chlamydia pneomoniae
- coxella burneti
- chlaymdia psittaci

Question 7

describe legionella pneumophillia

Answer 7

infected water/ air conditioning

causes SIADH - hyponatraemia
flu like symptoms + N/V/D

Question 8

symptoms of mycoplasma pneumoniae

Answer 8

erythema multiform (target leisons)
encephalitis
renal dysfunction
haemolytic anaemia

Question 9

symptoms of chlamydia pneumoniae

Answer 9

chronic mild pneumonia and wheeze in younger children
flu like symptoms lasting weeks to months
generally self limiting