Each one of the following is a known cause of occupational asthma, except:
Correct Answer B:
Asthma: occupational: Causes:
Diagnosis:
A 63-year-old man presents to the respiratory out-patients department with shortness of breath. Investigations reveal a fibrosing lung disease. A sputum sample however is positive for acid-fast bacilli.
Which of the following may have predisposed him to developing tuberculosis?
Correct Answer E:
Silicosis: Silicosis is a risk factor for developing TB (silica is toxic to macrophages)
Features:
A 52-year-old male is admitted to hospital with a temperature of 38.2 C and a 3 days history of a productive cough. He has been generally unwell for the past 10 days with flu-like symptoms. On examination blood pressure is 96/60 mmHg and the heart rate is 102 / min. Chest x-ray shows bilateral lower zone consolidation.
What is the most likely causative organism?
Correct Answer D: Preceding influenza predisposes to Staphylococcus aureus pneumonia.
Pneumonia: community-acquired:
Community acquired pneumonia (CAP) may be caused by the following infectious agents:
Klebsiella pneumoniae is classically in alcoholics.
Streptococcus pneumoniae (pneumococcus) is the most common cause of community-acquired pneumonia.
Characteristic features of pneumococcal pneumonia:
Management:
The British Thoracic Society published guidelines in 2009:
You review a 27-year-old woman in the Emergency Department who has been admitted with an acute exacerbation of her asthma.
Which one of the following features is most likely to indicate a life threatening attack?
Correct Answer D:
Asthma: acute severe:
Patients with acute severe asthma are stratified into moderate, severe or life-threatening:
British Thoracic Society guidelines:
Which of the following is not a recognized cause of pulmonary eosinophilia?
Correct Answer C:
Pulmonary eosinophilia: Causes of pulmonary eosinophilia:
Loffler's syndrome:
Tropical pulmonary eosinophilia:
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