In this episode, we review ventricular septal defects (VSDs), including their types, physiology, and management. What are the differences between inlet, outlet, membranous, and trabecular VSDs? How do these defects vary in terms of location, association with other cardiac conditions, and suitability for percutaneous closure? Which VSD types tend to have aortic cusp prolapse, leading to aortic regurgitation? If you see a color jet from a VSD in parasternal short axis view, what is the significance of the color jet being adjacent to the tricuspid valve versus being adjacent to the pulmonary valve? What are the physiologic consequences of left-to-right shunting in VSDs, and how does this lead to left heart dilation, pulmonary overcirculation, and potential progression to Eisenmenger syndrome? What are the criteria for VSD closure? Which is the only VSD type that is amenable to percutaneous closure? Tune in for answers to these questions.

Difficulty Level: Advanced

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