Systems and methods for sensing external magnetic fields in implantable medical devices

摘要: Systems and methods for sensing external magnetic fields in implantable medical devices are provided. One aspect of this disclosure relates to an apparatus fields. An embodiment includes a circuit with at least one inductor having core that saturates the presence field prescribed flux density. The also impedance measuring connected circuit. is adapted measure provide signal when changes by amount. According embodiment, resistor-inductor-capacitor (RLC) transthoracic measurement module (TIMM), according embodiment. Other aspects embodiments provided herein.