Exhibit 31.2

# CERTIFICATIONS

I, David A. Garrison, certify that:

| | 1. | I have reviewed this Quarterly Report on Form 10-QSB of Arrhythmia Research Technology, Inc.;                                                                                                                                                                                                                                         
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| | 2. | Based on my knowledge, this
        report does not contain any untrue statement of a material fact or omit to state a material fact
        necessary to make the  statements  made, in light of the  circumstances  under which such
        statements were made, not misleading with respect to the period covered by this report;
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| | 3. | Based on my knowledge, the financial
        statements, and other financial information included in this report, fairly present  in all  material
        respects  the  financial  condition,  results of  operations  and cash flows of the small business
        issuer as of, and for, the periods presented in this report;    
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| | 4. | The small business issuer's other
        certifying officer and I are responsible for establishing and maintaining disclosure  controls
        and  procedures  (as defined in Exchange  Act Rules  13a-15(e)  and  15d-15(e))  for the small
        business issuer and have:                                                     
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| | 5. | The small business issuer's other
        certifying officer and I have disclosed, based on our most recent evaluation of internal control
        over financial  reporting,  to the small business  issuer's auditors and the audit committee of
        the small business issuer's board of directors:                            
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|DATE:  August 15, 2005 | /s/ David A. Garrison                              
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|                       | David A. Garrison                                  
|                       | Executive Vice President andChief Financial Officer