Resp Flashcards
A 60-year-old man presents with flu-like symptoms and a dry cough. On examination he has a relative bradycardia and appears slightly confused. His blood tests show a low sodium
What type of pneumonia
Legionnaires’ disease
Hyponatraemia in legionnaires disease is due to what
SIADH
Features of legionnaires disease
flu-like symptoms including fever (present in > 95% of patients)
dry cough
relative bradycardia
confusion
lymphopaenia
hyponatraemia
deranged liver function tests
pleural effusion: seen in around 30% of patients
Ix for legionella
urinary antigen
Mx for legionella
erythromycin
Mycoplasma pneumonia features
haemolytic anaemia
erythema mulyiforme
encephalitis/gbs
peri-myocarditis
atypical pneumonia
flu like symptoms
deranged LFTs
Mycobacterium tuberculosis
Causes tuberculosis. A wide range of presentations from asymptomatic to disseminated disease are possible. Cough, night sweats and weight loss may be seen
Pneumocystis jiroveci
Common cause of pneumonia in HIV patients. Typically patients have few chest signs and develop exertional dyspnoea
Legionella pneumophilia
Atypical pneumonia
Classically spread by air-conditioning systems, causes dry cough. Lymphopenia, deranged liver function tests and hyponatraemia may be seen
Mycoplasma pneumoniae
Atypical pneumonia
Flu-like symptoms classically precede a dry cough. Complications include haemolytic anaemia and erythema multiforme
Staphylococcus aureus pneumonia
Pneumonia, particularly following influenza
Haemophilus influenzae
Community-acquired pneumonia
Most common cause of bronchiectasis exacerbations
Acute epiglottitis
Streptococcus pneumoniae
The most common cause of community-acquired pneumonia
Parainfluenza virus
croup
Respiratory syncytial virus
bronchiolitis
