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.
Granulomas of the middle ear may cause conductive hearing loss due to ossicular erosion and mass effect, but these findings alone are nonspecific. The definitive diagnosis is usually made with chest radiographs; hilar adenopathy is the dominant finding. A chronic cough often leads to chest radiographs being ordered.