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PUBMED FOR HANDHELDS

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  • Title: [Physiologic evaluation of permissible work timing at the video display].
    Author: Fatkhutdinova LM, Amirov NKh.
    Journal: Med Tr Prom Ekol; 1994; (11):20-4. PubMed ID: 7728432.
    Abstract:
    The studies covered changes in functional state of 42 programmers working at VGA. All the examinees reported subjective evaluation of fatigue and variational pulsometry before and after the work at VGA, those who worked at the display for 3 hours underwent blood pressure and pulse rate measurements (with subsequent calculation of several hemodynamic parameters) before and after the work. The researchers applied Major Components Method to obtain some integral parameters. The obtained values described initial state of cardiovascular system and changes in autocorellation of some BCG intervals. The fatigue was proved to occur by the end of the second working hour, and by the end of the third hour the examines demonstrated unfavorable changes of functional state (depression of heart activities and increased blood pressure). Only those who worked over 4 hours reported discomfort, so functional disorders appear earlier, than individuals detect them.
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