Question 71: Can a patient with a prosthetic valve take warfarin during menstruation or pregnancy?Is anticoagulation required for a patient with a corrected aortic coarctation or ventricular septal defect (VSD)? Concerning the Duke criteria for diagnosing infective endocarditis, question 72 Question 73: Is the most common cause of acute bacterial endocarditis Staphylococcus aureus?Is this a typical symptom of acute bacterial endocarditis as well? Question 74: Could you please explain how an infective endocarditis mycotic aneurysm works? Question 75: When microbes enter the body via intravenous (IV) route, as is the case with IV drug users, why are the right valves more frequently affected in infective endocarditis? Question 76: You stated that the microbes directly infect the right ventricle of people who take IV drugs, resulting in endocarditis in the right heart.However, because the microbes also travel through the veins to the right heart first during dental 13 Cardiovascular disease 128 procedures, why are left heart valves more frequently affected? Question 77: In infective endocarditis, what causes splenomegaly? Question 78: We are aware that infective endocarditis is associated with Janeway lesions, but is there any other disease that could cause them? Question 79 is also known as duct-dependent circulation or patent ductus arteriosus (PDA).What does this expression mean, and are there any other conditions that are similar to this one?What effects does this condition have on the body? Question 80: For a child who has both congenital and valvular heart disease, what is the recommended treatment?