Exhibit 24

                               POWER OF ATTORNEY

  The undersigned, as a Section 16 reporting person of iRhythm Technologies,
Inc. (the "Company"), hereby constitutes and appoints Matthew Garrett,
Denise Mandell, and Kristen Blumenthal the undersigned's true and lawful
attorneys-in-fact to:

    1.  complete and execute Forms 3, 4 and 5 and other forms and all
        amendments thereto as such attorneys-in-fact shall in their discretion
        determine to be required or advisable pursuant to Section 16 of the
        Securities Exchange Act of 1934 (as amended) and the rules and
        regulations promulgated thereunder, or any successor laws and
        regulations, as a consequence of the undersigned's ownership,
        acquisition or disposition of securities of the Company; and

    2.  do all acts necessary in order to file such forms with the
        Securities and Exchange Commission, any securities exchange or national
        association, the Company and such other person or agency as the
        attorneys-in-fact shall deem appropriate.

  The undersigned hereby ratifies and confirms all that said attorneys-in-fact
and agent shall do or cause to be done by virtue hereof.  The undersigned
acknowledges that the foregoing attorneys-in-fact, in serving in such capacity
at the request of the undersigned, is not assuming, nor is the Company assuming,
any of the undersigned's responsibilities to comply with Section 16 of the
Securities Exchange Act of 1934 (as amended).

  This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
Company and the foregoing attorneys-in-fact.

  IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 10 day of August, 2017.


                                           Signature:  Dave Vort
                                                       ----------


                                           Print Name: Dave Vort