| CPC A61N 1/3627 (2013.01) [A61N 1/36521 (2013.01)] | 11 Claims |

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1. A method for treating a myocardial lesion that comprises a myocardial infarction region of a myocardium subject to thinning, the method comprising:
by an implantable system, applying to the myocardial infarction region subthreshold electricity that is intended to arrest said thinning of the myocardial infarction region or to thicken the myocardial infarction region; and
by the implantable system, monitoring electrical impedance of the myocardial infarction region, wherein a decrease in electrical impedance is indicative of arresting said thinning of the myocardial infarction region or of thickening of the myocardial infarction region,
wherein said monitoring electrical impedance of the myocardial infarction region comprises:
probing the myocardial infarction region with electrical signals that are subthreshold and comprise a specified current and a voltage that correlates with electrical impedance of the myocardial infarction region; and
processing the electrical signals to assess electrical impedance of the myocardial infarction region in accordance with the voltage of the electrical signals.
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