Case # 3: Leg cramps
A 55 year old male presents to the emergency department with a 5 day history of increasing shortness of breath on exertion and recent leg “cramps”. In the 24 hours prior to presentation he had noticed increasing back pain and hyperventilation, with one episode of hemoptysis. The patient was tachycardic, transiently (30 minutes) hypotensive and had an oxygen saturation of 90% on non-rebreather mask with [...]