Ontology highlight
ABSTRACT:
SUBMITTER: Jenkins MW
PROVIDER: S-EPMC3059323 | biostudies-other | 2010 Aug
REPOSITORIES: biostudies-other
Jenkins M W MW Duke A R AR Gu S S Chiel H J HJ Fujioka H H Watanabe M M Jansen E D ED Rollins A M AM
Nature photonics 20100801
Light has been used to noninvasively alter the excitability of both neural and cardiac tissue 1-10. Recently, pulsed laser light has been shown to be capable of eliciting action potentials in peripheral nerves and in cultured cardiomyocytes 7-10. Here, we demonstrate for the first time optical pacing (OP) of an intact heart in vivo. Pulsed 1.875 μm infrared laser light was employed to lock the heart rate to the pulse frequency of the laser. A laser Doppler velocimetry (LDV) signal was used to ve ...[more]