1. A method of guarding an item in a remote display of an interface of a medical diagnostic system comprising: writing a configuration file comprising identification information of displayed items of the interface in the remote display; storing a guard designation in the configuration file for at least one guarded item of the interface in the remote display; creating a dynamic link library configured to receive the identification information and the guard designation from the configuration file; and installing a server to receive input from the dynamic link library, wherein the server is configured to call an application program interface (API) function that outputs identification information of displayed items of the interface in the remote display, to compare the identification information output from the API function to the identification information from the configuration file, and to guard at least one displayed item based on the comparison.