Infective Endocarditis of the Aortic Valve Complicated by Aorta-To-Pulmonary Artery Fistula.

• Aortopulmonary fistulas in IE are a cause of aorta–to–pulmonary connections. • Other causes include PDA and ruptured sinus of Valsalva aneurysm. • Continuous flow is seen in modified views of the pulmonary artery.