An optically coupled sensor for the measurement of currents induced by MRI gradient fields into endocardial leads

@article{Mattei2014AnOC,
  title={An optically coupled sensor for the measurement of currents induced by MRI gradient fields into endocardial leads},
  author={Eugenio Mattei and Federica Censi and Michele Triventi and Antonio Napolitano and Elisabetta Genovese and Vittorio Cannata and Giovanni Calcagnini},
  journal={Magnetic Resonance Materials in Physics, Biology and Medicine},
  year={2014},
  volume={28},
  pages={291-303}
}
The gradient fields generated during magnetic resonance imaging (MRI) procedures have the potential to induce electrical current on implanted endocardial leads. Whether this current can result in undesired cardiac stimulation is unknown. This paper provides a detailed description of how to construct an optically coupled sensor for the measurement of gradient-field–induced currents into endocardial leads. The system is based on a microcontroller that works as analog-to-digital converter and… CONTINUE READING

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