You should be MOST suspicious that a patient is experiencing an acute myocardial infarction if he or she presents with:

A. acute pain to the left jaw that is made worse by movement of the head.
B. an acute tearing sensation in the abdomen that radiates to the lower back.
C. an acute onset of weakness, nausea, and sweating without an obvious cause.
D. an acute onset of sharp chest pain that worsens when he or she takes a breath.

Ans: C. an acute onset of weakness, nausea, and sweating without an obvious cause.