NGN Quiz: Laboratory Values for Acute Myocardial Infarction Next Generation NCLEX (NGN) Practice Question on Critical Lab Monitoring in Acute Myocardial Infarction 60-year-old male patient with a history of coronary artery disease is admitted to the hospital with an acute myocardial infarction. He is started on aspirin, clopidogrel, and heparin. Which of the following laboratory values is the most important to monitor for this patient? A. Platelet count B. White blood cell count C. Creatinine D. Troponin I Δ