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 56-year-old man comes to the physician for increasing shortness of breath and retrosternal chest pain on exertion. He has smoked 2 packs of cigarettes daily for 35 years. His blood pressure is 145/90 mm Hg. Cardiac examination is shown. Which of the following is the most likely cause of this patient's auscultation findings?
assistant
Left ventricular failure