Treatment for accelerated idioventricular rhythm (AIVR) does not change the prognosis. The most important therapy for patients with AIVR is to treat the underlying etiology. AIVR is usually hemodynamically tolerated and self-limited; thus, it rarely requires treatment.
-- Homeless Woman is indeed a magical figure who has shape-shifted from a raven -- but not from a crow. As silly as this may sound, consider that Sutter drew from three primary sources for Sons of Anarchy -- the Bible; Hamlet, as mentioned; and, as I've covered in other posts, Greek mythology.
Sons of Anarchy: Who Is That Homeless Girl That Keeps Showing Up? Through the seasons of Sons of Anarchy, this homeless girl keeps showing up on and off. When she was first seen, Gemma (Katey Sagal) encountered her outside a mini-mart and despite some inner challenge, gave her a few bucks. Since then this homeless girl keeps making sporadic appearances in the show.