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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Der Anaesthesist 49 (2000), S. 725-731 
    ISSN: 1432-055X
    Keywords: Schlüsselwörter Epidemiologie ; Pädiatrisch ; Notfall ; Outcome ; Prähospital ; Keywords Epidemiology ; Pediatric emergency ; Prehospital ; Outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Objectives. We studied the epidemiology and outcome of prehospital pediatric emergencies treated by a physician-staffed mobile intensive care unit (MICU). Methods. A 3-year retrospective analysis for the period 1991–1993. Results. Children under the age of 15 years comprised 5.1% of the patients treated by the MICU (372/7423), 87.4% of whom were not in a life-threatening condition. The most common emergencies were: trauma (30.4%), febrile seizure (27.7%), and subglottal laryngitis (12.6%). In 44.6% of cases there was no medical indication for the MICU. Intubation at the scene was required by 17 patients (4.6%), and 11 (3.0%) underwent cardiopulmonary resuscitation following prehospital cardiac arrest; two children were successfully resuscitated but died in hospital. A total of 217 (61.3%) were admitted to the ward, 9 of these to a critical care unit. The average length of stay was 4.9 days, and 94.5% of patients were discharged in good health. Conclusion. Prehospital pediatric emergencies are rare and seldom life-threatening. Continuing education in pediatric emergency care is important for emergency physicians.
    Notes: Zusammenfassung Fragestellung. Ziel der Studie war, Epidemiologie und Outcome prähospitaler kindlicher Notfälle zu erfassen, die durch ein städtisches Notarztsystem versorgt wurden. Methodik. Retrospektive 3-Jahres-Analyse. Ergebnisse. Während der 3-jährigen Periode wurden 372 Kinder bis zum 14. Lebensjahr erstversorgt (5,1% der Gesamteinsätze, n=7324). Häufige Notfälle waren Trauma (30,4%), Fieberkrampf (27,7%) und Pseudokrupp (12,6%). 44,6% der Einsätze stellten keine Notarztindikation dar; 87,4% der Kinder waren nicht vital bedroht. 17 Kinder (4,6%) wurden prähospital intubiert, 11 (3,0%) wurden wegen eines Herz-Kreislaufstillstands reanimiert, 2 davon erfolgreich, jedoch keine Überlebenden. 217 Kinder (61,3%) wurden stationär aufgenommen, 9 auf einer Intensivstation. Die durchschnittliche Behandlungsdauer der aufgenommenen Kinder war 4,9 Tage. 94,5% der Kinder verließen das Spital geheilt. Schlussfolgerungen. Kindernotfälle sind im Notarztdienst selten und häufig ohne vitale Bedrohung. Konsequente Aus- und Fortbildung des Notarzts in pädiatrischer Notfallmedizin ist wichtig. Die Einführung eines eigenen Kindernotarztwagens in einer mittelgroßen Stadt erscheint nicht vertretbar.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1572-8986
    Keywords: Electron density ; microwave cavity ; fluorocarbon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Technology
    Notes: Abstract Electron densit ies have been determined /or RF plasmas that were generated within a microwave resonant cavity by measuring the difference of the resonance frequencies with and without plasma. Since that method only yields a value of the electron density weighted ouer the microwave electric field distribution, to obtain real values an assumption on the spatial distribution of the electron density had to he made. Spatial profiles were taken of the emission of a 4s–5p Ar line at 419.8 not (with a small Ar admixture). The electron densities have been determined as a function of pressure and RF power in Ar, CF4, C2 F6 and CHF, plasmas. The results indicate that the electron density for the last three gases decreases as a function of pressure above 50 m Torr. Typical values for the electron density for the investigated parameter range are 1–6 · 103 cm−3. Furthermore, the electron density is the lowest in gases with a high attachment cross .section.
    Type of Medium: Electronic Resource
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