This volume presents the proceedings of the 2019 IEEE Biomedical Circuits and Systems Conference (BioCAS) held in Nara, Japan. The conference brought together researchers and practitioners to share advancements in the field of biomedical circuits and systems, covering a wide range of topics from novel sensor designs to advanced signal processing techniques for healthcare applications. The papers included herein represent the cutting edge of research, offering insights into the development of innovative solutions for medical diagnosis, monitoring, and treatment.

The IEEE Biomedical Circuits and Systems Conference (BioCAS) is a well-established international forum for researchers in the field. Proceedings from such conferences typically showcase the latest theoretical and experimental findings, serving as a valuable resource for academics and industry professionals. The Nara 2019 proceedings would likely reflect the state-of-the-art in biomedical circuit and system design and application at that time, offering a snapshot of ongoing research and potential future directions.