Computers; Central processing units for processing information, data, sound or images; Computer monitors; Computer peripheral devices; Computer terminals; Data processing apparatus; Downloadable computer operating programs and computer operating systems; Downloadable computer programs for network management; Downloadable computer programs for user interface design; Downloadable computer programs for using the internet and the worldwide web; Downloadable computer software for application and database integration; Downloadable computer software for authorising access to data bases; Downloadable computer software for processing digital images; Downloadable data sets in the field of medical radiography; Downloadable image file containing artwork, text, audio, video, games and Internet Web links relating to sporting and cultural activities; Downloadable medical imaging software that records, monitors and analyzes data using a catheter based ultrasound imaging probe; Mobile computing and operating platforms consisting of data transceivers, wireless networks and gateways for collection and management of data; Recorded computer operating software; Software as a Medical Device (SaMD), downloadable, for use as electrocardiographs