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.
Causes of conductive hearing loss. Conductive hearing loss is usually caused by a blockage, such as having too much ear wax, a build-up of fluid in the ear (glue ear), or an ear infection. Conductive hearing loss is usually temporary and can often be treated with medication or minor surgery.