Clinical Challenge

A 2 1⁄2-year-old child presents with a three-day history of cough but no fever. Upon examination, you find: Oxygen percent saturation 95% Resting respiration 31/min Pulse 145/min Decreased air entry over the left chest View Figure 1, take these findings into account, and consider what your next steps would be. Resolution of the case is described on the next page.