5. All of the above
All of the conditions listed above could produce chest pain and result in a mildly increased white blood cell count accompanied by tachycardia and mild hypotension. One may expect a complaint of shortness of breath if community-acquired pneumonia were responsible for the patient’s presentation, but community-acquired pneumonia is a common condition and the degree of shortness of breath that may occur in patients with acute respiratory infections may vary considerably.
Which of the following represents the most appropriate next test to obtain for the evaluation of this patient? (Click on the correct answer to proceed to the third of nine pages)