Question:
A 27-year-old male presents with reduced hearing in the left ear for 2 months. He denies tinnitus or vertigo. Pure tone audiometry is done, and the audiogram is shown. Which of the following is the most likely diagnosis?
A 27-year-old male presents with reduced hearing in the left ear for 2 months. He denies tinnitus or vertigo. Pure tone audiometry is done, and the audiogram is shown. Which of the following is the most likely diagnosis?
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In PTA, an air-bone gap suggests conductive hearing loss.
Updated On: May 14, 2026
- Left ear SNHL
- Left ear CHL
- Right ear mixed hearing loss
- Normal hearing
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The Correct Option is B
Solution and Explanation
Concept:
Pure tone audiometry differentiates conductive hearing loss from sensorineural hearing loss by comparing air conduction and bone conduction.
Step 1: Identify side of symptom.
The patient complains of reduced hearing in the left ear.
Step 2: Interpret conductive pattern.
In conductive hearing loss, air conduction is reduced while bone conduction is relatively preserved, creating an air-bone gap.
Step 3: Choose diagnosis.
The audiogram pattern corresponds to: \[ \text{Left ear conductive hearing loss} \]
Step 1: Identify side of symptom.
The patient complains of reduced hearing in the left ear.
Step 2: Interpret conductive pattern.
In conductive hearing loss, air conduction is reduced while bone conduction is relatively preserved, creating an air-bone gap.
Step 3: Choose diagnosis.
The audiogram pattern corresponds to: \[ \text{Left ear conductive hearing loss} \]
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