Pneumonia Flashcards
(19 cards)
Commonest causes of community acquired pneumonia (CAP) [3]
Strep pneumoniae
Haemophilus influenzae
Mycoplasma pneumoniae
Commonest causes of hospital acquired pneumonia (4)
Gram negative enterobacteria e.g. E.coli
Staph aureus
Pseudomonas
Klebsiella
Patients who are more likely to aspirate? (3)
Stroke patients
Decreased consciousness e.g. post-ictal, drunk
Myasthenia, bulbar palsy
Signs of pneumonia (6)
Dullness to percussion Reduced air entry Diminished expansion Cyanosis Fever Increased vocal resonant
CURB65 components
New onset confusion (AMT less than 8) Urea higher than 7 Respiratory rate higher than 30 Blood pressure less than 90 systolic/60 diastolic Aged over 65
Interpretation of the CURB score
0-2 is moderate
3-5 is severe
Dry cough, erythema multiforme rash with reticulo-nodular shadowing on CXR?
Mycoplasma pneumoniae
Klebsiella pneumonia occurs in which groups of patient?
Alcoholics
Pattern of klebsiella pneumonia?
Cavitating pneumonia of the upper lobes
Often normal chest X ray, desaturation on exertion?
Pneumocystis jiroveci pneumonia
Management of pneumocystic jiroveci?
Co-trimoxazole
Pneumonia, hyponatraemia and deranged LFTs?
Legionella pneumonia
X-ray findings in Legionella pneumonia?
Patchy alveolar infiltrates
Symptoms of legionella? (4)
Flu-like including fever
Dry cough
Relative bradycardia
Confusion
What lung complication is seen in around 30% of legionella pneumonia?
Pleural effusion
Best diagnostic test for Legionella?
Urinary antigen
Extra-pulmonary associations of mycoplasma pneumonia? (3)
Guillane-Barre syndrome
Cold agglutinin production –> haemolytic anaemia
Erythema multiforme
Patients who aspirate vomit are more prone to developing pneumonia caused by which organisms?
Gram negative anaerobes
Radiological signs of pulmonary oedema? (4)
Perihilar shadowing (bats wings)
Fluid in horizontal fissure
Kerley B lines
Pleural effusions