The nurse is caring for a child with a diagnosis of Kawasaki disease. The child's parent asks the nurse, "How does Kawasaki disease affect my child's heart and blood vessels?" On what understanding is the nurse's response based?

Altered blood flow increases cardiac workload with resulting heart failure.

Inflammation weakens blood vessels, leading to aneurysm.

Untreated disease causes mitral valve stenosis.

Increased lipid levels lead to the development of atherosclerosis.