Exhibit
31.1
 
 RULE
13a-14(a) CERTIFICATION IN
 ACCORDANCE
WITH SECTION 302
 OF
THE SARBANES-OXLEY ACT OF 2002
 
 I, David
G. Derrick, Chief Executive Officer of RemoteMDx, Inc. (the Company), certify
that:
  1.
              I
      have reviewed this annual report on Form 10-K of the
    Company;
  2.
              Based
      on my knowledge, this annual report does not contain any untrue statement
      of a material fact or omit to state a material fact necessaryto
      make the statements made, in light of the circumstances under which such
      statements were made, not misleading with respect to the periodcovered
      by this annual report;3.
              Based
      on my knowledge, the financial statements, and other financial information
      included in this annual report, fairly present in all materialrespects
      the financial condition, results of operations and cash flows of the
      registrant as of, and for, the periods presented in this annual
      report;
  4.
              The
      registrant’s other certifying officer and I are responsible for
      establishing and maintaining disclosure controls and procedures (as
      defined inExchange
      Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial
      reporting (as defined in Exchange Act Rules 13a-15(f) and15d-15(f))
      for the registrant and have:
 a)
designed such disclosure controls and procedures, or caused such disclosure
controls and procedures to be designed under our supervision, to ensure that
material information relating to the registrant, including its consolidated
subsidiaries, is made known to us by others within those entities, particularly
during the period in which this report is being prepared;
 
 b)
designed such internal control over financial reporting, or caused such internal
control over financial reporting to be designed under our supervision, to
provide reasonable assurance regarding the reliability of financial reporting
and the preparation of financial statements for external purposes in accordance
with generally accepted accounting principles;
 
 c)
evaluated the effectiveness of the registrant’s disclosure controls and
procedures and presented in this report our conclusions about the effectiveness
of the disclosure controls and procedures, as of the end of the period covered
by this report based on such evaluation; and
 
 d)
disclosed in this report any change in the registrant’s internal control over
financial reporting that occurred during the registrant’s most recent fiscal
quarter that has materially affected, or is reasonably likely to materially
affect, the registrant’s internal control over financial reporting;
and
  5.
              The
      registrant’s other certifying officer and I have disclosed, based on our
      most recent evaluation of internal control over financial reporting, tothe
      registrant’s auditors and the audit committee of the registrant’s board of
      directors (or persons performing the equivalent
  functions):
 
 a) all
significant deficiencies and material weaknesses in the design or operation of
internal control over financial reporting which are reasonably likely to
adversely affect the registrant’s ability to record, process, summarize and
report financial information; and
 
 b) any
fraud, whether or not material, that involves management or other employees who
have a significant role in the registrant’s internal control over financial
reporting.
 
 Date:
December 24, 2008
   By:
              
              /S/ DAVID G.
      DERRRICKDavid
      G. DerrickChief
      Executive Officer