This Note Has Been Acquired for Investment

                                                                   EXHIBIT 10.43

                    SECURITIES ACT OF 1933 OR THE SECURITIES
                     LAWS OF ANY STATE. THIS NOTE MAY NOT BE
                                 OR STATE LAWS,

                                ORTHOMETRIX, INC.

$25,000.00                                                White Plains, New York
                                                                 August 18, 2004

     ORTHOMETRIX, INC., a Delaware corporation (the "Company"), for value
received, promises to pay to YUKON ASSOCIATES (the "Payee"), the principal sum
of Twenty Five Thousand U.S. Dollars ($25,000) on August 18, 2005 (the "Maturity
Date"), except as otherwise provided herein, together with interest on the
outstanding principal amount of this Note at the rate of prime (as published
from time to time by JP Morgan Chase) plus one per annum, except as otherwise
provided herein. Interest shall be payable quarterly on the last business day of
each March, June, September and December, commencing September 30, 2004.

     1. Payments and Prepayments.

     1.1 Payments and prepayments of principal and interest on this Note shall
be made to Payee at 31 Yukon Dr., Woodbury, N.Y. 11797.

     1.2 Payments and prepayments of principal and interest on this Note shall
be made in lawful money of the United States of America.

     1.3 If any payment on this Note becomes due and payable on a Saturday,
Sunday or other day an which commercial banks in New York City are authorized or
required by law to close, the maturity thereof shall be extended to the next
succeeding business day, and, with respect to payments of principal, interest
thereon shall be payable during such extension at the then applicable rate.

     1.4 The Company shall be obligated to prepay the outstanding principal
amount of this Note within ten (10) days after such time as (i) the Company
receives net proceeds of at least $1,000,000 from an equity financing, or (ii)
the Company sells substantially all its

assets. The Company shall have the right at any time and from time to time to
prepay this Note in whole or in part, together with interest on the amount
prepaid to the date of prepayment, without penalty or premium. Upon payment of
part of the principal amount of this Note, the Company may require the holder to
present this Note for notation of such payment and, if this Note is paid in
full, require the holder to surrender this Note.

     1.5 Upon payrnent in full of all outstanding principal and interest due
under this Note, the Company's obligations in respect of payment of this Note
shall terminate and the holder shall return it to the Company.

     2. Events of Default. In the event that:

          (a) the Company defaults for more than five business days in making
          any payment required to be made on this Note; or

          (b) the Company hereafter makes an assignment for the benefit of
          creditors, or files a petition in bankruptcy as to itself, is
          adjudicated insolvent or bankrupt, petitions or applies to any
          tribunal for the appointment of any receiver of or any trustee for the
          Company or any substantial part of its property under any bankruptcy,
          reorganization, arrangement, readjustment of debt, dissolution or
          liquidation law or statute of any jurisdiction, whether now or
          hereafter in effect; or if there is hereafter commenced against the
          Company any such proceeding and an order approving the petition is
          entered or such proceeding remains undismissed for a period of 60 day,
          or the Company or its general partner by any act or omission to act
          indicates its consent to or approval of or acquiescence in any such
          proceeding or the appointment of any receiver of, or trustee for, the
          Company or any substantial part of its property, or suffers any such
          receivership or trusteeship to continue undischarged for a period of
          60 days;

then, and in any such event, and at any time thereafter, if such event shall
then be continuing, the holder of this Note may, by written notice to the
Company, declare the Note due and payable, whereupon the same shall be due and
payable without presentment, demand, protest or other notice of any kind, all of
which are hereby expressly waived.

     3. Investment Representation.

     3.1 The Payee hereby acknowledges that the Note is not being registered (i)
under the Securities Act of 1933, as amended (the "Act"), on the ground that the
issuance of the Note is exempt from registration under Section 4(2) of the Act
as not involving any public offering or (ii) under any applicable state
securities law because the issuance of the Note does not involve any public
offering; and that the Company's reliance on the Section 4(2) exemption of the
Act and under applicable state securities laws is predicated in part on the
representations hereby


made to the Company by the Payee that it is acquiring the Note for investment
for its own account, with no present intention of dividing its participation
with others or reselling or otherwise distributing the same, subject,
nevertheless, to any requirement of law that the disposition of its property
shall at all times be within its control.

     3.2 The Payee hereby agrees that it will not sell or transfer all or any
part of this Note unless and until it shall first have given notice to the
Company describing such sale or transfer and furnished to the Company an
opinion, reasonably satisfactory to counsel for the Company, of counsel skilled
in securities matters (selected by the holder and reasonably satisfactory to the
Company) to the effect that the proposed sale or transfer may be made without
registration under the Act and without registration or qualification under any

     3.3 The Company may refuse to recognize a transfer of this Note on its
books should a holder attempt to transfer this Note otherwise than in compliance
with this Section 3.

     4. Miscellaneous.

     4.1 Upon receipt of evidence reasonably satisfactory to the Company of the
loss, theft, destruction or mutilation of this Note and of a letter of indemnity
reasonably satisfactory to the Company, and upon reimbursement to the Company of
all reasonable expenses incident thereto, and upon surrender or cancellation of
the Note, if mutilated, the Company will make and deliver a new Note of like
tenor in lieu of such lost, stolen, destroyed or mutilated Note.

     4.2 This Note and the rights and obligations of the Company and each holder
hereunder shall be construed in accordance with and be governed by the laws of
the State of New York.

     IN WITNESS WHEREOF, the Company has executed this Note as of the day and
year first above written.

                                       ORTHOMETRIX, INC,

                                       By: /s/ Reynald Bonmati
                                           Name:  Reynald Bonmati
                                           Title: President