The Nurse Is Caring for a Patient Who Was Admitted

Multiple Choice

The nurse is caring for a patient who was admitted with chest pain to rule out a myocardial infarction.After receiving nitroglycerin and morphine, the patient is resting in bed comfortably with oxygen at 2 L.The initial troponin I level is 0.40 ng/mL.Which of the following interpretations of this lab value is best?

A) "We really judge cardiac damage by Troponin-C, so until other values are back, I don't have any real information for you."
B) "This is a normal value, so your health-care provider will probably let you go home."
C) "Troponin begins to rise between 2 and 6 hours after symptoms of a heart attack, so you will need to wait for further testing before being discharged."
D) "Your first value is really high, so your health-care provider may want to send you to the intensive care unit."