This book constitutes the thoroughly refereedpost-conference proceedings of the 8th International Joint Conference onBiomedical Engineering Systems and Technologies, BIOSTEC 2015, held in Lisbon,Portugal, in January 2015. The 27 revised full papers presented together with aninvited paper were carefully reviewed and selected from a total of 375submissions. The papers cover a wide range of topics and are organized in fourgeneral topical sections on biomedical electronics and devices;bioimaging; bioinformatics models,methods and algorithms; bio-inspired systems and signalprocessing; health informatics.