You are called to the home of 24-year-old male who was discharged from the hospital today. He had a fracture of his femur and pelvis and has been immobile for a period of time in the hospital. He complains of sudden onset of chest pain on the right side. The pain is sharp and stabbing. He is also complaining of difficulty breathing. His lungs are clear and the pain is worse when he takes a deep breath. You suspect he has which of the following conditions?
A. Myocardial infarction
B. Angina
C. Pulmonary emboli
D. Congestive heart failure