Exhibit 23.1

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT

We consent to the incorporation by reference in this Registration Statement on Amendment No. 2 to Form S-3 of our report dated March 12, 2025 relating to the financial statements appearing in the Annual Report on Form 10-K of electroCore, Inc. and Subsidiaries for the year ended December 31, 2024 and 2023. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

Marcum LLP

Morristown, NJ

July 18, 2025