You have been called for a 25-year-old man who is experiencing difficulty breathing and sharp chest pain after moving some heavy furniture. The pain is located on the right side of the chest and seems to worsen on deep inspiration. With this information, you immediately suspect pneumothorax. Which of the following should you perform next to help confirm your suspicion?

A) Inquire about past lung problems
B) Obtain and SpO2 reading
C) Palpate for subcutaneous emphysema
D) Auscultate all lung fields

Answer: D