Case History/Examination
A 43-year-old male with a history of uncontrolled diabetes mellitus,
chronic smoking, and COPD/asthma (not previously investigated) presented
with a 3-day history of shortness of breath and cough. Upon admission,
he was found to be hypoxic on room air, with oxygenation improving upon
administration of 40% Venturi support. Hemodynamics were stable.