Introduction Tympanometry is an objective measure of middle ear function that has been an integral part of the audiological evaluation test battery. for nearly three decades. The parameters of the tympanogram obtained are influenced with many factors such as introduction of positive or negative air pressure. speed of recording tympanogram. https://www.markbroyard.com/best-grab-sukin-hydrating-body-lotion-250ml-fashion-save-extra/