Hong Kong Respiratory Medicine

NEJM. Volume 362:e43 March 25, 2010 Number 12
A 19-year-old man presented to the emergency department with a 2-day history of shortness of breath and pain on the right side of the chest.

He reported no history of trauma, smoking, or respiratory illness, and there was no family history of emphysema or connective-tissue disease. On physical examination, his respiratory rate was 40 breaths per minute; oxygen saturation, 97% while he was breathing ambient air; heart rate, 130 beats per minute; and blood pressure, 140/80 mm Hg. A chest examination revealed decreased breath sounds on the right side accompanied by resonance on percussion. A chest film showed tension pneumothorax, . . .
 
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