**EXHIBIT 31.1**

 

**CERTIFICATION BY ROGER W. DARTT PURSUANT TOSECURITIES EXCHANGE ACT RULE 13a-14**

 

I, Roger W. Dartt, Chief Executive Officer ofAmerican Medical Technologies, Inc., certify that:

 

1.                                       Ihave reviewed this annual report on Form 10-KSB of American MedicalTechnologies, Inc.;

 

2.                                       Basedon my knowledge, this annual report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this annual report;

 

3.                                       Basedon my knowledge, the financial statements and other financial informationincluded in this annual report, fairly present in all material respects thefinancial condition, results of operations and cash flows of the registrant asof, and for, the periods presented in this annual report;

 

4.               Theregistrant’s other certifying officer and I are responsible for establishingand maintaining disclosure controls and procedures (as defined in Exchange ActRules 13a-15(e)) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

 

a.               Designedsuch disclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the registrant, including its consolidationsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared; 

 

b.              Designedsuch internal control over financial reporting, or caused such internal controlover financial reporting to be designed under our supervision, to providereasonable assurance regarding the reliability of financial reporting and thepreparation of financial statements for external purposes in accordance withgenerally accepted accounting principles; 

 

c.               Evaluatedthe effectiveness of the registrant’s disclosure controls and procedures andpresented in this report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by thisreport based on such evaluation; and 

 

d.              Disclosedin this report any change in the registrant’s internal control over financialreporting that occurred during the registrant’s most recent fiscal quarter thathas materially affected, or is reasonably likely to materially affect, theregistrant’s internal control over financial reporting; 

 

5.               The registrant’s other certifyingofficer and I have disclosed, based on our most recent evaluation of internalcontrol over financial reporting, to the registrant’s auditors and the auditcommittee of the registrant’s board of directors (or persons performing theequivalent functions): 

 

a.               All significant deficiencies andmaterial weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect theregistrant’s ability to record, process, summarize and report financialinformation; and 

 

b.              Any fraud, whether or not material, thatinvolves management or other employees who have a significant role in theregistrant’s internal control over financial reporting. 

 
|   | Dated: March 31, 2005                 |
|--------|---------------------------------------|
|   |                                  |
|   | /s/ Roger W. Dartt                    |   |
|   | President and Chief Executive Officer |

 

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