Revista Mexicana de Ingeniería Biomédica is a quarterly publication of the Sociedad Mexicana de Ingeniería Biomédica. It aims to disseminate original research and technological development undertaken by the Latin American community in all areas covered by this broad discipline. Topics included are: Medical Instrumentation, Electrophysiological Signals, Medical Informatics, Biomaterials, Clinical Engineering, Physiological Models, and Medical Imaging as well as other related issues. All published works are original and copyrights belong to the journal.