Eustachian Tube Dysfunction Rating Scale (ETDQ-7) In the past month, how much the following symptoms have affected you Little to no effect Moderate effect Severe effect Pressure in the ear 1234567 Pain in the ear 1234567 Blockage in the ear or feeling like being underwater 1234567 Ear discomfort with a cold or rhinitis 1234567 Clicking or blistering in the ear 1234567 Buzzing in the ear1234567 Muffled or muffled hearing1234567 Validating the Clinical Assessment of Eustachian Tube Dysfunction:The Eustachian Tube Dysfunction Questionnaire (ETDQ-7)