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Phone: (843) 869-2355
Main Library
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Phone: (843) 805-6930
West Ashley Library
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Folly Beach Library
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Phone: (843) 588-2001
John L. Dart Library
9 a.m. - 6 p.m.
Phone: (843) 722-7550
St. Paul's/Hollywood Library
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Phone: (843) 889-3300
Mt. Pleasant Library
9 a.m. – 6 p.m.
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Dorchester Road Library
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Edgar Allan Poe/Sullivan's Island Library
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John's Island Library
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Wando Mount Pleasant Library
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Otranto Road Library
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Phone: (843) 572-4094
Hurd/St. Andrews Library
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Phone: (843) 884-9741
Keith Summey North Charleston Library
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Tracking-Cuff System for Beat-to-Beat Recordings of Blood Pressure.
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- Author(s): Shapiro, David; Greenstadt, Lisa; Lane, James D.; Rubinstein, Eduardo
- Source:
Psychophysiology; Mar1981, Vol. 18 Issue 2, p129-136, 8p- Subject Terms:
- Source:
- Additional Information
- Abstract: A system is described for the automatic beat-to-beat tracking of blood pressure (BP) based on the detection of Korotkoff sounds. Upon each detection, a discrete adjustment in cuff pressure is made prior to the next cardiac cycle. In comparison with other continuous tracking systems, digital control allows for estimation of systolic BP based on precise knowledge of cuff pressure at each heart beat. Simtiltaneous recordings of intraarterial pressure (radial artery) and systolic pressure measured with the tracking system were made in 4 subjects during 1-min trials of resting, paced respiration, and mental arithmetic. Correlations of the paired measures of intra-arterial and cuff pressure for 27 trials varied from .46 to .90 (median =. 72). The standard error of estimate ofintra-arterial systolic BP varied from 1.8 to 6.3 mmHg (median = 3.6). The system can be used without discomfort to track systolic BP for 60 and 120 sec in experiments involving repeated cuff inflations. Critical features and advantages of the tracking-cuff system for blood pressure measurement and biofeedback are discussed. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Psychophysiology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Abstract:
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