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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Drop in the systolic blood pressure of 20 mmHg or an increase in the pulse rate of 20 bpm when a patient is moved from a supine to a sitting position; a finding suggestive of a relative hypovolemia

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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.