Snapshot A 22-year-old man presents to the emergency department with chest pain. He was playing basketball when his symptoms suddenly started. The patient is a tall man, and there is no observable trauma to the chest wall. He is hemodynamically stable and currently endorses pleuritic chest pain. (Pneumothorax) Introduction Clinical definition login to view 5 more bullets Epidemiology Demographics login to view 2 more bullets Risk factors login to view 2 more bullets ETIOLOGY Pathogenesis login to view 2 more bullets Associated conditions login to view 11 more bullets Presentation Symptoms login to view 2 more bullets Physical exam login to view 4 more bullets IMAGING Diagnostic testing login to view 9 more bullets Differential Primary spontaneous pneumothorax Secondary spontaneous pneumothorax Tension pneumothorax login to view 3 more bullets Panic attack login to view 2 more bullets Treatment Management approach login to view 1 more bullet Small pneumothorax, stable vitals, and asymptomatic patient login to view 2 more bullets Large pneumothorax and symptomatic patient login to view 5 more bullets Recurrent pneumothorax login to view 3 more bullets Complications Recurrence Bilateral pneumothoraces can cause hemodynamic instability May progress to a tension pneumothorax