We present here a case of aberrant internal carotid artery with the symptoms of aural fullness , hearing impairment , and vertigo 我们在此报告一个中耳之异位性内颈动脉的病例，其临床上的表现为耳闷，听力减退及头晕。
The pass rates for dpoae were as follows : 94 . 0 % in healthy middle - ears , 73 . 8 % in middle - ears with negative pressure , and 18 . 7 % in som 中耳负压者，变频耳声传射检查的通过率为73 . 8 % ，且负压的程度愈严重，其通过率愈低。
We are aware that at the end of the central hole in this outer ear there is something called the middle ear , with an eardrum and a few little bones 我们知道，在外耳中孔的底部有东西称作中耳，它由一个耳鼓和一些小骨骼构成。
We are aware that at the end of the central hole in this outer ear there is something called the middle ear , with an eardrum and a few little bones 我们知道，在外耳中孔的底部有东西称为中耳，它由一个耳鼓和一些小骨骼构成。
Doctor : be sure not to blow your nose too violently , otherwise the discharge in your nose may be pushed into your ears to re - infect the middle ear 医生：切记不要使劲擤鼻子，否则您的鼻子里的分泌物可能被挤到耳朵里，使中耳重新感染。
The middle ear pressure is normally equalized by passage of air through the eustachian tube , which leads to the space behind the nose nasopharynx 咽鼓管eustachian tube主要负责保持中耳和耳朵的气压平衡。如欲保持耳朵气压平衡，可尝试吞咽或打呵欠。
