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 15-year-old teenager presents for a sports physical. His blood pressure is 110/70 mm Hg, temperature is 36.5°C (97.7°F), and heart rate is 100/min. On cardiac auscultation, an early diastolic heart sound is heard over the cardiac apex while the patient is in the left lateral decubitus position. A transthoracic echocardiogram is performed which shows an ejection fraction of 60% without any other abnormalities. Which of the following is the end-systolic volume in this patient if his cardiac output is 6 L/min?
assistant
40 mL