This is a 3-year-old with a history of ventricular septal defect. He was born vaginally at 35 weeks and was in the neonatal intensive care unit (NICU) for 3 weeks due to poor feeding. He lives with his parents and an older sibling, who has no medical conditions. The client is here for a follow-up visit. Based on the results of the echocardiogram, the physician has decided to repair the ventricular septal via cardiac catheterization. What should the nurse's focused assessment include before the cardiac catheterization? Select all that apply.