A process, a system and a computer program product and computer readable medium are disclosed for the sequential control and execution of a medical task. In at least one embodiment, the task is processed with the aid of a plurality of different, computer-implemented, medical-technical, stateful applications. In at least one embodiment, the invention uses a 3-layer software architecture including a data layer, a business logic layer, and presentation layer. With the aid of a central server, the option is provided of a one-time loading of the extensive datasets for a task and the applications for a task, so that the datasets and the applications are subsequently preserved for a user of the medical task. As a result, multiple waiting periods for the user are avoided.