Figure 1.

Data entry workflow for the database. Step 1: Click the “create new record” button to enter the patient’s demographic data. Step 2: Click the “clinical forms” button to access the data entry forms for each category. Step 3: Clinical, perfusion, procedural, and postoperative outcomes data may be entered through forms. The clinical form is shown. Step 4: Electronic data are transferred from the electronic data management system of the heart lung machine into the database.