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This is a multi-part message in MIME format. --------------921CD660E9D265952CA841AF Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit In the continuing saga of why not to tech dive if you have a PFO: This story came from Reuters via Yahoo news. http://dailynews.yahoo.com/h/nm/19991129/sc/health_scuba_1.html Later, Don W. --------------921CD660E9D265952CA841AF Content-Type: text/html; charset=us-ascii; name="health_scuba_1.html" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="health_scuba_1.html" Content-Base: "http://dailynews.yahoo.com/h/nm/199911 29/sc/health_scuba_1.html" <html><head><title>Scuba Diving Dangerous for Heart Defect Sufferers</title></head><body><center><!-- YNEWS:BANNER --><table cellpadding=2 cellspacing=0 width="100%"><tr><td width="1%"><a href=/><img src=http://us.yimg.com/i/dn/main4.gif border=0 width=250 height=31 alt="Yahoo! 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Those with PFO can have relatively harmless skin rashes or develop serious neurological problems such as vertigo or even paralysis.<p>During dives, inert gas bubbles that form in the bloodstream can bypass the filter in the heart of PFO sufferers that would normally send the bubbles to the lungs.<p>The bubbles then travel through the body, causing decompression sickness, and into the brain where they can create lesions, said Michael Knauth, a radiologist at the University of Heidelberg Medical School in Germany, who presented his findings to the annual meeting of the Radiological Society of North America in Chicago.<p>Decompression sickness, which can be fatal, occurs when gas bubbles are released into tissue after a too rapid decrease in air pressure following a stay in a compressed atmosphere -- such as under water.<p>In cranial examinations of 88 scuba divers, Knauth said four of five divers with PFO were found to have several brain lesions each. Brain lesions were rare among non-PFO divers.<p>``It is unclear whether the brain lesions can cause long-term problems, but common sense would tell you if you have enough of them and they're in the right places, they could cause problems, such as memory disturbances or difficulty concentrating,'' Knauth said.<p>In another aspect of the study, 19 out of 24 divers who had unexplained diving incidents, despite following the rules of decompression such as descending and ascending slowly, turned out to have PFO. Some also had large brain lesions.<p>``Divers with PFOs should reduce the depth they are descending to, not stay deep too long, ascend slowly, increase the time they spend above water between dives and avoid several descents during one dive,'' Knauth said.<p>Knauth suggested prospective divers get tested for PFO before being certified to dive. <!-- TextEnd --> </td><!-- YNEWS:/STORY --><!-- YNEWS:NewStoryPage --><td valign=top align=right> <br><br><!-- NewStoryPages --><table bgcolor="dcdcdc" border=0 cellpadding=0 cellspacing=0 hspace=0></table> </td></tr></table><!-- YNEWS:/NewStoryPage --><!-- YNEWS:FOOTER --><p><hr size=0><p><center><form action=http://search.news.yahoo.com/search/news><input type=text size=25 name=p><input type=submit value="Search"><br><small><b>Search:</b> <input type=radio name=c checked value=""> Stories <input type=radio name=c value=news_photos> Photos <input type=radio name=c value=fullcov> Full Coverage</small><input type=hidden name=n value=10></form></center><p><p><center><a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991128/sc/index.htm l">Nov 28</a> | <a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991127/sc/index.htm l">Nov 27</a> | <a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991126/sc/index.htm l">Nov 26</a> | <a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991125/sc/index.htm l">Nov 25</a> | <a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991124/sc/index.htm l">Nov 24</a> | <a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991123/sc/index.htm l">Nov 23</a> | <a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991122/sc/index.htm l">Nov 22</a> | <a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991121/sc/index.htm l">Nov 21</a> | <a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991120/sc/index.htm l">Nov 20</a> | <a href="http://dailynews.yahoo.com/h/sc/nm/story.html?s=v/nm/19991119/sc/index.htm l">Nov 19</a> <p><table border=0 cellspacing=0><tr bgcolor=ffffcc><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/>Home</a> </nobr></font></td><td align=center>|</td><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/ts/>Top Stories</a> </nobr></font></td><td align=center>|</td><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/bs/>Business</a> </nobr></font></td><td align=center>|</td><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/tc/>Tech</a> </nobr></font></td><td align=center>|</td><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/pl/>Politics</a> </nobr></font></td><td align=center>|</td><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/wl/>World</a> </nobr></font></td><td align=center>|</td><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/lo/>Local</a> </nobr></font></td><td align=center>|</td><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/en/>Entertainment</a> </nobr></font></td><td align=center>|</td><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/sp/>Sports</a> </nobr></font></td><td align=center>|</td><td align=center bgcolor=ccccff><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/sc/>Science</a> </nobr></font></td><td align=center>|</td><td align=center><font color=black size=-1 face="arial,helvetica"><nobr> <a href=/h/hl/>Health</a> </nobr></font></td></tr></table>&l t;p><hr size=0><small><a href=http://help.yahoo.com/help/news/>Questions or Comments</a><br></small><small><center>Copyright © 1996-1999 Reuters Limited. All rights reserved.<br>Republication or redistribution of Reuters content is expressly prohibited without the prior written consent of Reuters.<br>Reuters shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon.</center></small></center></body></html><!-- YNEWS:/FOOTER --> --------------921CD660E9D265952CA841AF-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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