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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 94 (1985), S. 191-196 
    ISSN: 1437-1596
    Keywords: Suffocation ; Sand aspiration ; Respiratory tract occlusion ; Ersticken ; Atemwegsverschluß ; Sandaspiration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Ausgehend von der Untersuchung mehrerer Tötungsdelikte mit Verschluß der Atemöffnung der Opfer durch Sand wurden Modellversuche zur Atmung durch verschieden dicke Sandschichten (bis 90 cm) mit Kontrolle der Atemgase und des Druckes sowie zur Frage des Umfanges der Sandaspiration in solchen Fällen durchgeführt. Es kommt auch schon bei dünner Sandschicht (15 cm) zur Totraumventilation mit der in der Sandschicht in unmittelbarer Nähe der Atemöffnungen befindlichen Luft mit Anstieg der CO2- und Abfall der O2-Konzentration. Auch bei 90 cm dicker Schicht sind noch Atemvolumina von bis zu 31 möglich. Das Ausmaß einer Sandaspiration hängt in erster Linie von der Feuchtigkeit des Sandes ab: schon bei einem Wassergehalt von rund 5% kann sie fast völlig ausbleiben.
    Notes: Summary Remarkable autopsy findings in persons who had suffocated as a result of closure of the mouth and nose by sand (without the body being buried) induced us to investigate some aspects of this situation by means of a simple experiment. A barrel (diameter 36.7 cm) with a mouthpiece in the bottom was filled with sand to a depth of 15, 30, 60, or 90 cm. The subject tried to breathe as long as possible through the sand, while the amount of sand inspired was measured. Pressure and volume of the breath, as well as the O2 and CO2 content were also measured. A respiratory volume of up to 31 was possible, even when the depth was 90 cm. After about 1 min in all trials, the subject's shortness of breath forced us to stop the experiment. Measurement of O2 and CO2 concentrations proved that respiratory volume in and out of the sand shifts to atmospheric air without gas exchange, even when the sand depth is 15 cm. Sand aspiration depended on the moisture of the material: when the sand was dry, it was impossible to avoid aspiration. However, even a water content of only 5% prevented aspiration, although the sand seemed to be nearly dry.
    Type of Medium: Electronic Resource
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