MyChart is an online service offered by some NHS hospitals that provides personalised and secure access to parts of a patients medical record. It allows patients to manage their care and view their health information online through an app or online portal. To use MyChart, patients need to sign up for an account by providing their personal information, verifying their identity, and choosing a username and password. Once logged in, patients can view their medical records, test results, and appointment details. MyChart is a free service available to patients.