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Acidoza

Acidoza

Scris de admin
09 Aug 2011 19:41 , Ultima actualizare la: 09 Aug 2011 19:41

Reprezintă o creştere a acidităţii sângelui,  datorită unor tulburări de ordin funcţional in organism.  Acidoza se caracterizează prin coborârea pH-ului sanguin sub 7, 35 (valoarea normală: 7, 35-7, 45).  Acidoza organică se datorează producerii in cantitate mare a unor acizi organici care nu sint utilizaţi in organism.  Astfel,  cetoacidoza este provocată de prezenţa in organism a acizilor cetonici (diabet),  iar lactoacidoza,  de prezenţa in organism a acidului lactic (in oboseala musculară).  Dintre acidozele minerale,  acidoza gazoasă e produsă de creşterea bioxidului de carbon in sânge (in nefrita gravă),  fosfoacidoza,  de creşterea fosfaţilor minerali şi a esterilor fosfatici (in boli de rinichi).  Acidoza se determină prin măsurarea pH-ului sanguin direct in sângele venos.  Se întâlneşte in formele grave de diabet care evoluează spre comă,  in insuficienţa hepatică,  in inaniţie,  in cancer,  in intoxicaţii grave etc.  Se manifestă prin somnolenţă,  ameţeli,  tulburări ale vederii,  vărsături,  diaree.