Authoritarian regimes are also sometimes subcategorized by whether they are personalistic or populist. Personalistic authoritarian regimes are characterized by arbitrary rule and authority exercised mainly through patronage networks and coercion rather than through institutitions and formal rules..
Fluid accumulation is the most common cause of conductive hearing loss in the middle ear, especially in children. Major causes are ear infections or conditions that block the eustachian tube, such as allergies or tumors.
Otologic disorders are the most common cause of subjective tinnitus. 2, 9 Most cases of tinnitus result from the same conditions that cause hearing loss. There are two types of hearing loss: conductive and sensorineural. Conductive hearing loss is caused by the inhibition of sound transmission to the inner ear.atients with vascular abnormalities complain of pulsatile tinnitus. Arterial bruits may be transmitted to the ear from arterial vessels near the temporal bone. The petrous carotid system is the most common source. 2 Patients experience worsening of symptoms at night and usually do not have other otologic complaints.