Medical Question
58-year-old
man presents with a month history of breathlessness. He was a non-smoker.
On
examination his :
temperature
was 36.7oC, with a respiratory rate of 20 breaths per minute and normal breath
sounds to auscultation
and a pulse of 92 bpm. Arterial blood gases on air showed:
* pH
7.51 (7.36 - 7.44)
*
pO2 8.4 kPa (11.3 - 12.6)
*
pCO2 4.0 kPa (4.7 - 6.0)
What
is the most likely diagnosis?
Available
marks are shown in brackets
1)
Atypical pneumonia
2)
fibrosing alveolitis
3)
hysterical hyperventilation
4)
inhaled foreign body
5) pulmonary thromboembolism
Category: Medical Question
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