EX-15.4 24 crdl-20231231xex15d4.htm EXHIBIT-15.4

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Exhibit 15.4

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​ | Tel: 298 881-1111 Fax: 905 845-8615 www.bdo.ca | BDO Canada LLP 360 Oakville Place Drive, Suite 500 Oakville, Ontario L6H 6K8

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Consent of Independent Registered Public Accounting Firm

Cardiol Therapeutics Inc

Oakville, Canada

We hereby consent to the incorporation by reference in Registration Statements on Form F-10 (File No.333-262342) and Forms S-8 (File No. 333-258940 and No.333-262216) of Cardiol Therapeutics Inc. of our report dated April 1, 2024, relating to the consolidated financial statements which appear in this Annual Report on Form 20-F.

/s/ BDO Canada LLP

BDO Canada LLP

Chartered Professional Accountants, Licensed Public Accountants

Oakville, Canada

April 1, 2024

BDO Canada LLP, a Canadian limited liability partnership, is a member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms