Many patients and families may be unfamiliar with what happens inside the cardiac catheterization (cath) lab at Lurie Children's and the specialized procedures performed there. In this episode of Precision, Dr. Conor O'Halloran, a pediatric cardiologist at Lurie Children's who specializes in catheter-based procedures, offers a detailed explanation of what to expect during a cath lab procedure, the innovations in technology enhancing patient care, and Lurie Children's collaborative approach with cardiac care teams.