PulseOx tool aids in the rapid and accurate interpretation of pulse oximetry findings obtained as part of newborn screening for critical congenital heart disease (CCHD). Simply enter the details regarding the newborn screening encounter, and the app will provide an interpretation using the latest recommend algorithm for CCHD screening as well as a summary of next steps. This app was created to reduce mistakes obtained due to human error in interpretation of the recommend algorithm for CCHD screening using pulse oximetry.