A diagnostic medical sonographer is certified by The American Registry for Diagnostic Medical Sonography and is known as a Registered Diagnostic Medical Sonographer or RDMS. This registry offers credentials in specialty areas like the breast, abdomen and nervous system.iagnostic Medical Sonographers Overview. The outlook for job opportunities in the field of medical sonography is good for the future and employment will grow as medical sonography will serve as a replacement or alternative to radiology procedures.
capable of being transported or conveyed: a portable stage. 2. easily carried or conveyed by hand: a portable typewriter. 3. Computers. (of data sets, software, etc.) capable of being used on different computer systems.
Top 10 facts about the world. A mobile device, or handheld, is an electronic device that enables some kind of computing, and which is small enough to be easily carried around. These devices are quite pervasive nowadays. Commonly used mobile devices include cell phones, Personal Digital Assistants (PDAs), and multimedia players. Their uses are not only varied, as given below, but also growing day by day.