How to Perform an Otoscope Examination? What Can It Reveal?

Update Date: 2024-06-26 Source: Network

Otoscopy allows for the visualization of the specific conditions within the ear canal. When performing otoscopy, the patient is first asked to sit sideways. Then, the auricle is gently pulled backwards, and an appropriately sized otoscope is rotated and inserted into the external auditory canal. It is crucial to avoid the cartilaginous portion of the external auditory canal to prevent any potential trauma and subsequent discomfort. Initially, we observe for signs of congestion, swelling, the presence of severe secretions, odor, and the formation of granulation tissue on the posterior wall of the external auditory canal. Subsequently, the otoscope is rotated to inspect the tympanic membrane for signs of congestion, opacity, and scarring.

Apart from otoscopy, there are other diagnostic methods available. Firstly, the Eustachian tube function test involves pinching the nose and asking the patient to swallow, or using the nasal insufflation method and electroacoustic impedance audiometry. Secondly, hearing tests include whispered voice testing, tuning fork testing, and electroacoustic audiometry, which assist in diagnosing various conditions.

What Can Be Observed Through Otoscopy?

1. The electro-otoscope is a device equipped with a light source and a magnifier. It allows for a gradual advancement from the external auditory canal into the inner ear canal. Through this magnifier and light source, doctors can visualize the specific conditions within the ear canal. This represents a straightforward examination method commonly used by outpatient doctors.

2. The significant advantage of the electro-otoscope is its ability to reveal intricate details within the ear canal that are invisible to the naked eye. It enables doctors to magnify certain pathologies within the ear canal, providing crucial information for diagnosing ear diseases. However, it is essential to remove any earwax prior to performing this examination as excessive earwax can obstruct the clear visualization of the ear canal.