Involves forceful exhalation and can test cardiac and autonomic nervous function. The normal response occurs in four phases. The pattern of response during the four phases is well defined in terms ...
In contrast, type III incontinence is associated with no urethral mobility during Valsalva maneuvers and a low proximal urethral pressure (< 20 cm H2O). Type III stress incontinence may also be ...
Valsalva purpura have rarely been described. They can be the result of lung function test maneuvers, childbirth, convulsions, weight lifting, coughing, vomiting, and, for example, blowing up balloons.