The patient is a 66-year-old female presenting with a 2-week h/o new-onset, intermittent, stable chest pain which radiates to the L arm, occurs with SOB, is worse with cold temperatures and exertion and is improved by rest. On physical exam, she is pain-free with stable vital signs. PMH risk factors include: distant history of smoking (5 pack/years), a history of hypertension and hypercholesterolemia and a family history of coronary vascular disease.