What examination items should be done for tinnitus

Tinnitus usually requires otoscopy, audiology, imaging, vestibular function, and blood tests. These examinations help to clarify the cause of tinnitus and develop targeted treatment plans accordingly.

1. Otoscopy:

Otoscopy is a basic examination, in which doctors directly observe the condition of the external auditory canal and eardrum through an otoscope to determine whether there are problems such as earwax embolism, otitis media, tympanic membrane perforation, or middle ear effusion. These local lesions in the outer or middle ear are common causes of conductive tinnitus, which can be quickly detected and treated through otoscopy. For example, after removing blocked earwax, tinnitus may be relieved.

2. Auditory examination:

Auditory examination is the core means of evaluating hearing function, mainly including pure tone audiometry, acoustic impedance testing, and otoacoustic emission. Pure tone audiometry can quantify the degree and type of hearing loss, helping to distinguish between sensorineural tinnitus and conductive tinnitus; Acoustic impedance testing can evaluate middle ear function; Otoacoustic emission reflects the state of the outer hair cells of the cochlea. These tests can clarify whether tinnitus is related to hearing loss and provide a basis for subsequent treatment.

3. Imaging examination:

Imaging examination is mainly used to exclude structural lesions in the intracranial or inner ear, such as acoustic neuroma, vascular malformation, or brain tumors. Common examinations include high-resolution CT of the temporal bone and magnetic resonance imaging of the skull. When tinnitus is unilateral, pulsatile, or accompanied by symptoms such as dizziness and headache, doctors usually recommend imaging examinations to rule out serious causes that require surgical intervention.

4. Vestibular function examination:

Vestibular function examination is suitable for tinnitus patients with dizziness or balance disorders. The functional status of the vestibular system can be evaluated through position tests, cold and hot tests, or vestibular evoked myogenic potentials. Tinnitus often occurs simultaneously with inner ear diseases such as Meniere's disease and vestibular neuritis. Vestibular function examination can help identify these diseases and take corresponding treatment measures.

5. Blood test:

Blood test can screen for tinnitus caused by systemic diseases, such as anemia, thyroid dysfunction, hyperlipidemia, or autoimmune diseases. Doctors will choose parameters such as blood routine, thyroid function, blood lipids, blood glucose, or inflammation indicators based on the specific condition of the patient. If relevant abnormalities are found, tinnitus symptoms may also be improved by treating the underlying disease. After completing the above examinations, the patient should bring all the results back to the ENT department for a follow-up visit, where the doctor will conduct a comprehensive evaluation and develop an individualized treatment plan. In daily life, it is important to avoid prolonged exposure to noisy environments, maintain regular sleep patterns and emotional stability, which can help alleviate the troubles caused by tinnitus.