The European Union Artificial Intelligence Act (EU AI Act) is one of the world's first and most comprehensive AI regulations. This cheat sheet outlines the EU AI Act’s key principles and mechanics, as well as implications for AI developers and users in healthcare. Readers in the EU can use this guide to understand how the EU EI Act works to inform organizational AI strategy. Readers who don’t live in the EU can use the guide to understand potential AI policy frameworks and implications that may take shape in their jurisdictions, as EU policies on topics like data privacy and consumer protection often influence global policy.