Valsalva maneuver: shortest optimal expiratory strain duration
Purpose : To quantitate the level of difficulty and determine consistency of hemodynamic responses with various expiratory strain (ES) durations. Methods : Thirty-four healthy subjects performed the Valsalva maneuver (VM) with an ES duration of 10, 12, and 15 seconds in random order. Level of diffic...
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| Format: | Book |
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Greater Baltimore Medical Center,
2011-07-01T00:00:00Z.
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| Call Number: |
A1234.567 |
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