Use of a needle valve variable resistor to improve invasive blood pressure monitoring
Inaccurate measurements using in-line systems are partly due to the resonance frequency. A variable acoustic resistor designed to change the damping coefficient of these monitoring systems was evaluated under clinical conditions. The device improved pressure transmission characteristics in measureme...
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| Veröffentlicht in: | Critical care medicine 1984-11, Vol.12 (11), p.978-982 |
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| container_end_page | 982 |
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| container_issue | 11 |
| container_start_page | 978 |
| container_title | Critical care medicine |
| container_volume | 12 |
| creator | ABRAMS, JEROME H OLSON, MARK L MARINO, JOSEPH A CERRA, FRANK B |
| description | Inaccurate measurements using in-line systems are partly due to the resonance frequency. A variable acoustic resistor designed to change the damping coefficient of these monitoring systems was evaluated under clinical conditions. The device improved pressure transmission characteristics in measurements on 12 of 13 patients. Use of the device and of the bedside step-impulse test for calibration should improve the reliability of inline blood pressure monitoring. |
| doi_str_mv | 10.1097/00003246-198411000-00013 |
| format | Article |
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A variable acoustic resistor designed to change the damping coefficient of these monitoring systems was evaluated under clinical conditions. The device improved pressure transmission characteristics in measurements on 12 of 13 patients. 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A variable acoustic resistor designed to change the damping coefficient of these monitoring systems was evaluated under clinical conditions. The device improved pressure transmission characteristics in measurements on 12 of 13 patients. Use of the device and of the bedside step-impulse test for calibration should improve the reliability of inline blood pressure monitoring.</abstract><cop>United States</cop><pub>Williams & Wilkins</pub><pmid>6499484</pmid><doi>10.1097/00003246-198411000-00013</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0090-3493 |
| ispartof | Critical care medicine, 1984-11, Vol.12 (11), p.978-982 |
| issn | 0090-3493 1530-0293 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_81346800 |
| source | MEDLINE; Journals@Ovid Complete |
| subjects | Blood Pressure Determination - instrumentation Catheterization Critical Care Humans Monitoring, Physiologic - instrumentation Transducers |
| title | Use of a needle valve variable resistor to improve invasive blood pressure monitoring |
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