Medicine Which one of the following cardiac lesions is at highest risk of occurrence of infective endocarditis A Atrial septal defect B Mitral valve prolapse without regurgitation C Valvular aortic regurgitation D Mitral stenosis 💡 Explanation Which one of the following cardiac lesions is at highest risk of occurrence of infective endocarditis ✓ Correct Answer: C. Valvular aortic regurgitation