Stanford-backed iRhythm raises $16m series D round led by Norwest Venture Partners.

iRhythm, a Stanford University spin out medical device firm, has raised $16m in a series D round led by Norwest Venture Partners (NVP).

The US-based startup, which was spun out of Stanford’s biodesign programme, also attracted return investment in the round from existing backers, including New Leaf Ventures, Synergy Life Science Partners, and Kaiser Permanente Ventures. As part of the deal, Casper de Clercq, partner at NVP, will join iRhythm’s board of directors.

The firm has raised $52m since it…