@article {2247, title = {Instantaneous monitoring of heart beat dynamics during anesthesia and sedation}, journal = {Journal of Computational Surgery}, volume = {3}, year = {2014}, author = {G. Valenza and O. Akeju and K. J. Pavone and L. Citi and K. E. Hartnack and A. Sampson and Purdon, P.L. and Brown, E.N. and R. Barbieri} } @conference {1486, title = {Monitoring heartbeat nonlinear dynamics during general anesthesia by using the instantaneous dominant Lyapunov exponent}, booktitle = {2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)}, year = {2012}, pages = {3124{\textendash}3127}, publisher = {IEEE}, organization = {IEEE}, keywords = {Bioengineering}, author = {L. Citi and G. Valenza and Purdon, P.L. and Brown, E.N. and R. Barbieri} }