section 1. Cardiac catheterization laboratory design and diagnostic modalities -- section 2. Vascular access -- section 3. Fetal and early postnatal interventions -- section 4. Valves -- section 5. Septal defects -- section 6. Aortopulmonary shunts -- section 7. Fistulas -- section 8. Obstructions -- section 9. Hypertrophic obstructive cardiomyopathy -- section 10. Thoracic aneurysms -- section 11. Hybrid procedures -- section 12. Left trial appendage closure -- section 13. Devices for heart failure management -- section 14. Other procedures -- section 15. Complications of congenital, structural, and valvular interventions.