A Patient Who Is Apprehensive, Gray, Cold, and Clammy Reports

A patient who is apprehensive, gray, cold, and clammy reports pain that "is as if an elephant is standing on my chest." The nurse should recognize these manifestations as indicative of which of these conditions?

A) An anginal attack
B) Acute myocardial infarction
C) Pericarditis
D) Heartburn