QuestionSBA
QuestionChoice
This most commonly occurs in patients who have an unsafe swallow, including those with myasthenia gravis, stroke, bulbar palsy, alcoholism, or achalasia. This type of pneumonia most commonly affects the right lung, as the right bronchus is wider than the left, making it more likely to facilitate the aspirate.
10007567
b
Aspiration pneumonia
QuestionChoice
Klebsiella pneumonia usually affected patients with weakened immune systems, like the elderly, alcoholics and patients with diabetes. It mostly affects the upper lobes and produces ‘’red currant’’ sputum.
10007569
d
Klebsiella pneumoniae
QuestionChoice
This is a typical presentation of pneumocystis pneumonia: exertional dyspnoea, dry cough and fever in a HIV positive patient. In patients who are HIV positive, the risk of PCP increases when their CD4 count is under 200 cells/uL.
10007566
a
Pneumocystis Jirovecii
QuestionChoice
Mycoplasma pneumonia is typically seen in younger patients with flu-like symptoms. It can also cause autoimmune haemolytic anaemia.
10007568
c
Mycoplasma pneumoniae
QuestionChoice
Legionella pneumonia presents with fever and muscle pain, followed by shortness of breath and a dry cough. In exams, look out for hyponatremia and deranged liver function tests.
10007570
e
Legionella Pneumophila
Concept
Chapter
2693
4610
Pneumocystis Pneumonia
Topic
132
Respiratory
14060
A 50-year-old male presents to the emergency department with a high temperature and non-productive cough that began 2 weeks ago. His past medical history includes type 2 diabetes mellitus and HIV. His last CD4 count was 177 cells/uL.

Which of the following is the most likely organism causing his lower respiratory tract infection?
a