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 40-year-old African American female with a past obstetrical history of para 5, gravida 4 with vaginal birth 4 weeks ago presents with the chief complaint of shortness of breath. On examination, the patient has an elevated jugular venous pressure, an S3, respiratory crackles, and bilateral pedal edema. Chest X-ray shows bronchial cuffing, fluid in the fissure, and a pleural effusion. Her ejection fraction is 38% on echocardiogram. Which of the following is a characteristic of the most likely diagnosis?
assistant
Ventricular dilatation