Family Members Bring a Patient to the ED with Pale

Family members bring a patient to the ED with pale cool skin, sudden midsternal chest pain unrelieved with rest, and a history of CAD. How should the nurse best interpret these initial data?

A) The symptoms indicate angina and should be treated as such.
B) The symptoms indicate a pulmonary etiology rather than a cardiac etiology.
C) The symptoms indicate an acute coronary episode and should be treated as such.
D) Treatment should be determined pending the results of an exercise stress test.