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<DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>UNITED
STATES</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>SECURITIES
AND EXCHANGE COMMISSION</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>Washington,
D.C. 20549</STRONG></FONT><BR></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>FORM
8-K</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>CURRENT
REPORT</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>Pursuant
to Section&nbsp;13 or 15(d) of the Securities Exchange Act of
1934</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date of
Report (Date of earliest event reported): February 28, 2005</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>CARDIAC
SCIENCE, INC.</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Exact
name of registrant as specified in its charter)</FONT></DIV>
<DIV>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TR>
    <TD vAlign=top align=middle width="25%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD vAlign=top align=middle width="25%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD vAlign=top align=middle width="25%">&nbsp;</TD></TR>
  <TR>
    <TD style="BORDER-BOTTOM: #000000 thin solid" vAlign=bottom align=middle
    width="25%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Delaware</FONT></DIV></TD>
    <TD style="BORDER-BOTTOM: #ffffff solid" width="4%">
      <DIV style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"
      align=center>&nbsp;</DIV></TD>
    <TD style="BORDER-BOTTOM: #000000 thin solid" vAlign=bottom align=middle
    width="25%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">000-19567</FONT></DIV></TD>
    <TD style="BORDER-BOTTOM: #ffffff solid" width="4%">
      <DIV style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"
      align=center>&nbsp;</DIV></TD>
    <TD style="BORDER-BOTTOM: #000000 thin solid" vAlign=bottom align=middle
    width="25%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">33-0465681</FONT></DIV></TD></TR>
  <TR>
    <TD vAlign=top align=middle width="25%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(State
      or other jurisdiction of incorporation)</FONT></DIV></TD>
    <TD width="4%">&nbsp;</TD>
    <TD vAlign=top align=middle width="25%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Commission
      File Number)</FONT></DIV></TD>
    <TD width="4%">&nbsp;</TD>
    <TD vAlign=top align=middle width="25%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(IRS
      Employer Identification No.)</FONT></DIV></TD></TR></TABLE></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align=center>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TR>
    <TD style="BORDER-BOTTOM: #000000 thin solid" vAlign=bottom align=middle
    width="33%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">1900
      Main Street, Suite 700, Irvine, California </FONT></DIV></TD>
    <TD style="BORDER-BOTTOM: #ffffff solid" width="5%">&nbsp;</TD>
    <TD style="BORDER-BOTTOM: #000000 thin solid" vAlign=bottom align=middle
    width="23%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">92614</FONT></DIV></TD></TR>
  <TR>
    <TD vAlign=top align=middle width="33%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Address
      of principal executive offices)</FONT></DIV></TD>
    <TD width="5%">&nbsp;</TD>
    <TD vAlign=top align=middle width="23%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Zip
      Code)</FONT></DIV></TD></TR></TABLE></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Registrant&#8217;s
telephone number, including area code: (949) 797-3800</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Check the
appropriate box below if the Form 8-K filing is intended to be simultaneously
satisfy the filing obligation of the registrant under any of the following
provisions (see General Instruction A.2. below):</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 width="100%" bgColor=#ffffff>
  <TR bgColor=#ffffff>
    <TD width="5%"><FONT face=Wingdings>o</FONT></TD>
    <TD width="128%" colSpan=2><FONT size=2>Written communications pursuant to
      Rule 425 under the Securities Act (17 CFR 230.425).</FONT>&nbsp;</TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%">&nbsp;</TD>
    <TD width="128%" colSpan=2>&nbsp;</TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%"><FONT face=Wingdings>o</FONT></TD>
    <TD width="128%" colSpan=2><FONT size=2>Soliciting material pursuant to
      Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT></TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%">&nbsp;</TD>
    <TD width="128%" colSpan=2>&nbsp;</TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%"><FONT face=Wingdings>o</FONT></TD>
    <TD width="128%" colSpan=2><FONT size=2>Pre-commencement communications
      pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
      240.14d-2(b))</FONT></TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%">&nbsp;</TD>
    <TD width="128%" colSpan=2>&nbsp;</TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%"><FONT face=Wingdings>o</FONT></TD>
    <TD width="128%" colSpan=2><FONT size=2>Pre-commencement communications
      pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
      </FONT></TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%">&nbsp;</TD>
    <TD width="128%" colSpan=2>&nbsp;</TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%">&nbsp;</TD>
    <TD width="128%" colSpan=2>&nbsp;</TD></TR></TABLE></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV id=PGBRK style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=FTR>
<DIV id=GLFTR style="WIDTH: 100%" align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV>
<DIV id=PN style="PAGE-BREAK-AFTER: always">
<DIV style="WIDTH: 100%; TEXT-ALIGN: center"><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt" face="Times New Roman"></FONT></DIV>
<DIV style="WIDTH: 100%; TEXT-ALIGN: center">
<HR color=#000000 noShade SIZE=2>
</DIV></DIV>
<DIV id=HDR>
<DIV id=GLHDR style="WIDTH: 100%" align=right><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV></DIV>
<DIV id=PGBRK style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=FTR><BR></DIV></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>Item
2.02 Results of Operations and Financial Condition.</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><BR></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">On
February 28, 2005, Cardiac Science, Inc. issued a press release to report its
financial results for the fourth quarter and year ended December 31, 2004. The
press release is furnished as Exhibit 99.1 and is incorporated herein by
reference.</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
information in this Current Report on Form 8-K, including Exhibit 99.1, is
furnished pursuant to Item 2.02 and shall not be deemed &#8220;filed&#8221; for the purposes
of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise
subject to the liability of that section, nor shall it be deemed incorporated by
reference in any filing under the Securities Act of 1933, as amended, except as
shall be expressly set forth by specific reference in such a
filing.</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>Item
9.01 Financial Statements and Exhibits.</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(c)</FONT><FONT
id=TAB2 style="COLOR: black; LETTER-SPACING: 27pt">&nbsp;<FONT id=TAB2
style="LETTER-SPACING: 9pt">&nbsp;&nbsp;&nbsp;</FONT>&nbsp;</FONT><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Exhibits</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TR>
    <TD style="BORDER-BOTTOM: #ffffff thin solid" vAlign=bottom align=middle
    width="16%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><U><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Exhibit
      Number</FONT>&nbsp;</U></DIV></TD>
    <TD style="BORDER-BOTTOM: #ffffff solid" vAlign=top align=left
      width="57%"><DIV
      style="MARGIN-LEFT: 99pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"
      align=left><U>&nbsp;<FONT size=2>Description</FONT></U></DIV></TD></TR>
  <TR>
    <TD vAlign=top align=middle width="16%">&nbsp;</TD>
    <TD vAlign=top align=left width="57%">&nbsp;</TD></TR>
  <TR>
    <TD vAlign=top align=middle width="16%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">99.1</FONT></DIV></TD>
    <TD vAlign=top align=left width="57%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=left><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Press
      Release dated February 28, 2005.</FONT></DIV></TD></TR>
  <TR>
    <TD vAlign=top align=middle width="16%">&nbsp;</TD>
    <TD vAlign=top align=left width="57%">&nbsp;</TD></TR>
  <TR>
    <TD vAlign=top align=middle width="16%">&nbsp;</TD>
    <TD vAlign=top align=left width="57%">&nbsp;</TD></TR></TABLE></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV id=PGBRK style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=FTR>
<DIV id=GLFTR style="WIDTH: 100%" align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV>
<DIV id=PN style="PAGE-BREAK-AFTER: always">
<DIV style="WIDTH: 100%; TEXT-ALIGN: center"><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt" face="Times New Roman"></FONT></DIV>
<DIV style="WIDTH: 100%; TEXT-ALIGN: center">
<HR color=#000000 noShade SIZE=2>
</DIV></DIV>
<DIV id=HDR>
<DIV id=GLHDR style="WIDTH: 100%" align=right><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>SIGNATURES</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT id=TAB1 style="MARGIN-LEFT: 36pt"></FONT><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
to the requirements of the Securities Exchange Act of 1934, the Registrant has
duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>
<TABLE cellSpacing=0 cellPadding=0 width="100%" align=center bgColor=#ffffff
border=0>
  <TR vAlign=top bgColor=#ffffff>
    <TD width="50%"><FONT face="Times New Roman" size=2>&nbsp;</FONT></TD>
    <TD width="1%"><FONT face="Times New Roman" size=2>&nbsp;</FONT></TD>
    <TD width="49%"><FONT face="Times New Roman" size=2>&nbsp;</FONT></TD></TR>
  <TR vAlign=top bgColor=#ffffff>
    <TD><FONT face="Times New Roman" size=2>&nbsp;</FONT></TD>
    <TD colSpan=2><FONT face="Times New Roman" size=2>CARDIAC SCIENCE,
      INC.</FONT></TD></TR>
  <TR vAlign=top bgColor=#ffffff>
    <TD><FONT face="Times New Roman" size=2>&nbsp;<BR>&nbsp;</FONT></TD>
    <TD><FONT face="Times New Roman" size=2>&nbsp;<BR>&nbsp;</FONT></TD>
    <TD><FONT face="Times New Roman" size=2>&nbsp;<BR>&nbsp;</FONT></TD></TR>
  <TR vAlign=top bgColor=#ffffff>
    <TD><FONT face="Times New Roman" size=2>February 28, 2005</FONT></TD>
    <TD><FONT face="Times New Roman" size=2>By:&nbsp;&nbsp;</FONT></TD>
    <TD><FONT face="Times New Roman" size=2>/s/&nbsp;Roderick de
    Greef</FONT></TD></TR>
  <TR vAlign=top bgColor=#ffffff>
    <TD colSpan=2><FONT face="Times New Roman" size=1>&nbsp;</FONT></TD>
    <TD align=left>
      <HR align=left width="80%" color=#000000 noShade SIZE=2>
      <FONT size=2>Roderick de Greef</FONT></TD></TR>
  <TR vAlign=top bgColor=#ffffff>
    <TD colSpan=2><FONT face="Times New Roman" size=2>&nbsp;</FONT></TD>
    <TD><FONT face="Times New Roman" size=2>Executive Vice President and Chief
      Financial Officer</FONT></TD></TR></TABLE></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"></FONT>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT id=TAB2
style="COLOR: black; LETTER-SPACING: 27pt"></FONT>&nbsp;</DIV>
<DIV id=PGBRK style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=FTR>
<DIV id=GLFTR style="WIDTH: 100%" align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV>
<DIV id=PN style="PAGE-BREAK-AFTER: always">
<DIV style="WIDTH: 100%; TEXT-ALIGN: center"><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt" face="Times New Roman"></FONT></DIV>
<DIV style="WIDTH: 100%; TEXT-ALIGN: center">
<HR color=#000000 noShade SIZE=2>
</DIV></DIV>
<DIV id=HDR>
<DIV id=GLHDR style="WIDTH: 100%" align=right><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV></DIV><BR><BR>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>EXHIBIT
INDEX</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
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      align=center><U><EM><STRONG><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Exhibit
      Number</FONT>&nbsp;</STRONG></EM></U></DIV></TD>
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      width="57%"><DIV
      style="MARGIN-LEFT: 99pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"
      align=left><U><EM><STRONG>&nbsp;<FONT
      size=2>Description</FONT></STRONG></EM></U></DIV></TD></TR>
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UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C. 20549
FORM
8-K
CURRENT
REPORT
Pursuant
to Section 13 or 15(d) of the Securities Exchange Act of
1934
Date of
Report (Date of earliest event reported): February 28, 2005
CARDIAC
SCIENCE, INC.
(Exact
name of registrant as specified in its charter)
Delaware
000-19567
33-0465681
(State
      or other jurisdiction of incorporation)
(Commission
      File Number)
(IRS
      Employer Identification No.)
1900
      Main Street, Suite 700, Irvine, California
92614
(Address
      of principal executive offices)
(Zip
      Code)
Registrant's
telephone number, including area code: (949) 797-3800
Check the
appropriate box below if the Form 8-K filing is intended to be simultaneously
satisfy the filing obligation of the registrant under any of the following
provisions (see General Instruction A.2. below):
o
Written communications pursuant to
      Rule 425 under the Securities Act (17 CFR 230.425).
o
Soliciting material pursuant to
      Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications
      pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
      240.14d-2(b))
o
Pre-commencement communications
      pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item
2.02 Results of Operations and Financial Condition.
On
February 28, 2005, Cardiac Science, Inc. issued a press release to report its
financial results for the fourth quarter and year ended December 31, 2004. The
press release is furnished as Exhibit 99.1 and is incorporated herein by
reference.
The
information in this Current Report on Form 8-K, including Exhibit 99.1, is
furnished pursuant to Item 2.02 and shall not be deemed "filed" for the purposes
of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise
subject to the liability of that section, nor shall it be deemed incorporated by
reference in any filing under the Securities Act of 1933, as amended, except as
shall be expressly set forth by specific reference in such a
filing.
Item
9.01 Financial Statements and Exhibits.
(c)
Exhibits
Exhibit
      Number
Description
99.1
Press
      Release dated February 28, 2005.
SIGNATURES
Pursuant
to the requirements of the Securities Exchange Act of 1934, the Registrant has
duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.
CARDIAC SCIENCE,
      INC.
February 28, 2005
By:
/s/ Roderick de
    Greef
Roderick de Greef
Executive Vice President and Chief
      Financial Officer
EXHIBIT
INDEX
Exhibit
      Number
Description
99.1
Press
      Release dated February 28, 2005.