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Key terms: pressure valsalva blood heart rate open return cell rise normal increase seconds causes chest thus fall yawning closed effect nerve eustachian tubes diving phases swallowing response vision valsalva maneuver nervous middle ear stroke volume bleeding clinical decreases pacemaker described pulse rate cardiac output action potential blood pressure open the eustachian valsalva retinopathy Search external links cited by footnotes on Wikipedia page Valsalva maneuver: |
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