Akūtas hipoksijas ietekme uz sirdsdarbības parametru pēcslodzes atjaunošanās dinamiku

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RESEARCH PRODUCT

Akūtas hipoksijas ietekme uz sirdsdarbības parametru pēcslodzes atjaunošanās dinamiku

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description

Hipoksija atstāj pozitīvu efektu uz organisma adaptāciju slodzei. Mehānismi, kā tas notiek, patlaban nav vēl zināmi un ir pētāmi. Tāpēc bakalaura darbā tika novērtēta sirdsdarbības parametru pēcslodzes atjaunošanās ātrās fāzes dinamika akūtas normobāriskas hipoksijas apstākļos pēc veloergometriskas submaksimālas slodzes. Pētījuma rezultāti rāda, ka sirdsdarbības frekvencei (SF) raksturīga monotona atjaunošanās, savukārt sistoles tilpumam (ST) un sirds minūtes tilpumam (SMT) tā kļūst fāziska. No lineārās regresijas vienādojumu slīpumiem, kā arī procentuālās atjaunošanās secināts, ka gan normoksijā, gan hipoksijā ST atjaunojas straujāk, nekā SF, turklāt SMT atjaunošanos būtiskāk ietekmē tieši ST. Hipoksija un slodzes izraisīta hipoksēmija palēnina SF atjaunošanos, taču paātrina ST un SMT atjaunošanos.

year	journal	country	edition	language
2011-01-01

https://dspace.lu.lv/dspace/handle/7/26886

PEPhysical Sciences and Engineering
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