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Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver
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Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver

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Algorithmic tools for interpreting vital signs

Melina C Rathbun1, Lisa A Ruth-Sahd

  • 1Diabetes and Endocrinology Institute, University Community Hospital, Tampa, Florida, USA.

The Journal of Nursing Education
|July 29, 2009
PubMed

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Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
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