{"id":7947,"date":"2021-03-10T16:07:44","date_gmt":"2021-03-10T15:07:44","guid":{"rendered":"https:\/\/www.atollplongee.com\/glossary\/hypoxie\/"},"modified":"2021-03-10T16:07:44","modified_gmt":"2021-03-10T15:07:44","slug":"hypoxie","status":"publish","type":"glossary","link":"https:\/\/www.atollplongee.com\/en\/glossary\/hypoxie\/","title":{"rendered":"Hypoxie<span class=\"dashicons\" data-icon=\"\" style=\"display:inline;vertical-align:baseline;\"><\/span>"},"content":{"rendered":"<p>&ldquo;L&rsquo;hypoxie d&eacute;signe une diminution importante de la <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Pression Partielle&lt;span class=&amp;quot;dashicons &amp;quot; data-icon=&amp;quot;&amp;quot; style=&amp;quot;display:inline;vertical-align:baseline;&amp;quot;&gt;&lt;\/span&gt;&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;quot;La pression partielle d&amp;#039;un composant dans un m&eacute;lange de gaz est d&eacute;finie comme la pression qui serait exerc&eacute;e par les mol&eacute;cules de ce composant s&amp;#039;il occupait seul tout le volume offert au m&eacute;lange, &agrave; la temp&eacute;rature de celui-ci. Elle correspond donc &agrave; la contribution de ce composant &agrave; la pression totale du m&eacute;lange. La pression partielle d&amp;#039;un composant est une mesure de l&amp;#039;activit&eacute; thermodynamique des mol&eacute;cules de ce gaz. Les gaz se dissolvent, diffusent et r&eacute;agissent selon leur pression partielle et non pas selon leur concentration dans le m&eacute;lange de gaz ou dans le liquide o&ugrave; ils sont dissouts. Formule pour la calculer : PPgaz = Pabsolue * % gaz&amp;quot;&lt;\/div&gt;\"  href=\"https:\/\/www.atollplongee.com\/en\/glossary\/pression-partielle\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>pression partielle<\/a> en oxyg&egrave;ne dans la circulation sanguine.<br>\nUn accident hypoxique (syncope ou perte de contr&ocirc;le moteur, dite &ldquo;samba&rdquo;) est peu susceptible de se produire en plong&eacute;e en scaphandre (sauf en plong&eacute;e avec des m&eacute;langes gazeux particuliers), mais peut survenir rapidement en plong&eacute;e en apn&eacute;e si les r&egrave;gles de s&eacute;curit&eacute; &eacute;l&eacute;mentaires ne sont pas suivies&rdquo;<\/p>","protected":false},"excerpt":{"rendered":"<p>&#8220;L&#8217;hypoxie d\u00e9signe une diminution importante de la pression partielle en oxyg\u00e8ne dans la circulation sanguine. Un accident hypoxique (syncope ou perte de contr\u00f4le moteur, dite \u201csamba\u201d) est peu susceptible de se produire en plong\u00e9e en scaphandre (sauf en plong\u00e9e avec des m\u00e9langes gazeux particuliers), mais peut survenir rapidement en plong\u00e9e en apn\u00e9e si les r\u00e8gles [&hellip;]<\/p>","protected":false},"author":13,"featured_media":0,"menu_order":0,"template":"","meta":[],"glossary-categories":[],"glossary-tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hypoxie - Atoll Plong\u00e9e Marseille<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.atollplongee.com\/en\/glossary\/hypoxie\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hypoxie - Atoll Plong\u00e9e Marseille\" \/>\n<meta property=\"og:description\" content=\"&#8220;L&#8217;hypoxie d\u00e9signe une diminution importante de la pression partielle en oxyg\u00e8ne dans la circulation sanguine. 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