Valsalva maneuver

Noun

 * 1) * 1961, William L. Watson, The Valsalva Maneuver: Its Relationship to Chronic Recurrent Aerotitis Media, Review 5-61,, page 2,
 * One generally accepted way of equalizing the pressure is by performing the Valsalva maneuver.
 * 1) * 2008, Curtis B. Kamida, et al., 15: Lower extremity ascending and descending phlebography, Peter Gloviczki, Handbook of Venous Disorders, Taylor & Francis (CRC Press), page 165,
 * A Valsalva maneuver initially causes cessation of prograde flow, and then actual flow reversal.
 * 1) * 2008, Curtis B. Kamida, et al., 15: Lower extremity ascending and descending phlebography, Peter Gloviczki, Handbook of Venous Disorders, Taylor & Francis (CRC Press), page 165,
 * A Valsalva maneuver initially causes cessation of prograde flow, and then actual flow reversal.