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Text File  |  1998-01-11  |  2KB  |  58 lines
  1. <HTML>
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  4.   <TITLE>Untitled Document</TITLE>
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  8. <TABLE WIDTH="538" BORDER="1" CELLSPACING="2" CELLPADDING="5" HEIGHT="445">
  9. <CAPTION ALIGN="TOP"><P ALIGN=LEFT><B><FONT COLOR="#ffff3f">Table 1. Correlation of Progressive
  10. Deterioration of Cerebral Blood Flow and Tissue Oxygenation With Resultant
  11. Effects on Brain</FONT></B></CAPTION>
  12. <TR>
  13. <TD WIDTH="82" HEIGHT="74"><B>CBF <BR>
  14. (mL/100 g/min)</B></TD>
  15. <TD WIDTH="341"><B>Effect on Central Nervous System</B></TD>
  16. <TD WIDTH="104" ALIGN="CENTER"><B>P<FONT SIZE=-1>O</FONT></B><SUB><FONT SIZE=-1>2</FONT></SUB><B> (mm Hg)</B></TD></TR>
  17. <TR>
  18. <TD HEIGHT="34" VALIGN="TOP">50</TD>
  19. <TD VALIGN="TOP"><B>Normal</B></TD>
  20. <TD VALIGN="TOP" ALIGN="CENTER">100</TD></TR>
  21. <TR>
  22. <TD HEIGHT="34" VALIGN="TOP">30-40</TD>
  23. <TD VALIGN="TOP">Depression of electroencephalogram</TD>
  24. <TD VALIGN="TOP" ALIGN="CENTER"> </TD></TR>
  25. <TR>
  26. <TD HEIGHT="34" VALIGN="TOP">20-30</TD>
  27. <TD VALIGN="TOP">Anaerobic metabolism</TD>
  28. <TD VALIGN="TOP" ALIGN="CENTER">40</TD></TR>
  29. <TR>
  30. <TD HEIGHT="34" VALIGN="TOP">15-20</TD>
  31. <TD VALIGN="TOP">Adenosine triphosphate depletion, coma</TD>
  32. <TD VALIGN="TOP" ALIGN="CENTER">25</TD></TR>
  33. <TR>
  34. <TD HEIGHT="87" VALIGN="TOP">8-10</TD>
  35. <TD VALIGN="TOP"><P><B>Viability threshold</B></P>
  36. <A NAME="anchor1"></A>
  37.  
  38.  
  39. <P>    K<SUP><FONT SIZE=-1>+</FONT></SUP><FONT SIZE=-2>
  40. </FONT>leak<BR>
  41.     Membrane depolarization</TD>
  42. <TD VALIGN="TOP" ALIGN="CENTER">12</TD></TR>
  43. <TR>
  44. <TD HEIGHT="73" VALIGN="TOP">Trickle</TD>
  45. <TD VALIGN="TOP">Continued electrolyte flux<BR>
  46. Continued anaerobic metabolism/lactate production<BR>
  47. Worsened acidosis</TD>
  48. <TD VALIGN="TOP" ALIGN="CENTER"> </TD></TR>
  49. <TR>
  50. <TD HEIGHT="54">0</TD>
  51. <TD>Metabolism ceases<BR>
  52. Electrolyte flux ceases</TD>
  53. <TD VALIGN="TOP" ALIGN="CENTER"> </TD></TR>
  54. </TABLE>
  55. CBF indicates cerebral blood flow.
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