system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 57-year-old man presents to his primary care provider because of chest pain for the past 3 weeks. The chest pain occurs after climbing more than 2 flights of stairs or walking for more than 10 minutes. His symptoms remain for an average of 30 minutes despite rest, but they eventually remit. He is obese, has a history of type 2 diabetes mellitus, and has smoked 15–20 cigarettes a day for the past 25 years. His father died from a myocardial infarction at 52 years of age. His vital signs reveal a temperature of 36.7°C (98.0°F), blood pressure of 145/93 mm Hg, and a heart rate of 85/min. The physical examination is unremarkable. Which of the following is consistent with unstable angina?
assistant
Symptoms present for 30 minutes despite rest