The CAST Monitoring App adresses the issue with a seamless solution to facilitate the interaction between patients and cardiologists. A novel product and service towards patient comfort without neglecting the cardiologists needs of quality ECGs and assistance options. The challenge was to create a bilateral app, that could help Cardiologists to manage their patients, monitor their heart condition and comunicate with them. The patients could also monitor their heart condition and send that information to the doctors, in real time.