PHORCYS UNDERWATER ACTIVITIES – EPISODE#50


“VALSALVA MANEUVER”
(Part#01) A Valsalva maneuver may be the easiest,
but is not always the safest way to achieve ear’s pressure equalization. Excessive force can expose us
to barotrauma hazard. In addition, it causes increase of force
to the mediastinum (the space between the lungs where
the heart and the big vessels are located), influencing negatively
the function of the heart.

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