Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the CHF Solutions, Inc. 2017 Equity Incentive Plan, the CHF Solutions, Inc. 2013 Non-Employee Directors’ Equity Incentive Plan, and the CHF Solutions, Inc. New-Hire Equity Incentive Plan, as amended, of our report dated March 8, 2017, with respect to the consolidated financial statements of Sunshine Heart, Inc. (now known as CHF Solutions, Inc.) and subsidiaries included in its Annual Report (Form 10-K) for the year ended December 31, 2016, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Minneapolis, Minnesota

June 2, 2017