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Ear

The ear is a complex organ that not only enables hearing, but also helps maintain balance. It consists of several parts with different functions.

MRI Ears

MRI Ears

Magnetic resonance imaging

5 595 kr

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Contents

Quick version

What is the ear?

The ear is the sensory organ that records sound waves and converts them into nerve signals that the brain can interpret as sound. It also plays an important role in the body's ability to balance. The ear is divided into the outer ear, middle ear, and inner ear, with each part having a specific function in sound processing.

The outer ear

The outer ear consists of the pinna (auricle) and ear canal . The pinna and ear canal collect sound waves and direct them inward toward the eardrum. The shape of the outer ear helps to localize the direction of sound.

The middle ear

The middle ear contains three small bones—the hammer, the anvil, and the stirrup—that amplify sound waves and transmit them to the inner ear. The eustachian tube is also located here, which helps equalize the pressure between the middle ear and the environment.

Inner ear

The inner ear contains the cochlea, where sound waves are converted into nerve signals. The semicircular canals, which are part of the balance organ and register the movements of the head, are also located here.

The function of hearing

Sound waves reach the eardrum and set it in vibration. These vibrations are transmitted via the auditory ossicles to the inner ear, where hair cells in the cochlea send electrical signals to the auditory nerve and on to the brain.

The role of balance

The semicircular canals and otolith organs in the inner ear help the body sense the position and movement of the head. This information is sent to the brain and coordinated with vision and touch to maintain balance.

Common Conditions and Diseases of the Ear

There are a variety of conditions that can affect the ear, ranging from infections to injuries and neurological problems. Here are some common diseases:

  • Acute otitis media: A bacterial middle ear infection, common in children. Causes pain, fever and sometimes hearing loss.
  • Otitis externa (inflammation of the ear canal): Often caused by moisture and bacteria, common among swimmers. Causes itching, pain and swelling.
  • Tinnitus: A persistent sound in the ears without an external sound source. May be due to hearing damage, stress or other illnesses.
  • Menière's disease: Causes recurrent attacks of dizziness, tinnitus and fluctuating hearing loss.
  • Barotrauma: Injury caused by pressure changes, e.g. when flying or diving. Can cause pain and temporary hearing loss.
  • Hearing loss: Can be temporary or permanent and has many causes – from earwax to nerve damage.

Examination and diagnosis of ear problems

Different methods are used to diagnose ear-related problems, depending on the symptoms:

  • Otoscopy: A doctor looks into the ear with an otoscope to assess the eardrum and ear canal.
  • Pure tone audiometry: A hearing test where you listen to tones at different frequencies and volumes.
  • Tympanometry: Measures the mobility of the eardrum to detect fluid in the middle ear or pressure changes.
  • Balance examination: In cases of dizziness, tests such as caloric stimulation or video nystagmography.
  • Samples: In case of infections, blood samples or samples from the ear can be analyzed.

Relevant symptoms

  • Hearing loss
  • Tinnitus (ringing in the ears)
  • Pain in the ear
  • Dizziness or balance problems
  • Fluid from the ear

Related conditions and diagnoses

  • Ear inflammation (otitis)
  • Tinnitus
  • Menière's disease
  • Ear canal eczema
  • Hearing loss
  • Barotrauma

Questions and answers

The ear captures sound waves via the outer ear, these are amplified in the middle ear and converted into nerve signals in the inner ear, which the brain then interprets as sound.

The eustachian tube is a canal that connects the middle ear to the pharynx and helps equalize pressure so that the eardrum functions normally.

Otitis often occurs during a cold, when bacteria or viruses spread to the middle ear via the eustachian tube and cause infection.

Tinnitus is a condition in which you experience a ringing or buzzing sound in your ears without an external sound source. It can be caused by hearing damage or stress.

The inner ear's auditory canals register movements and the position of the head, which helps the body maintain balance by sending signals to the brain.

Sound is conducted to the eardrum from the ear canal, the cochlea in the inner ear converts sound waves into nerve signals that are sent to the brain.

Treatment varies depending on the cause and may include hearing aids, surgery, medications, or other hearing aids.

Yes, if the ear is exposed to loud noises, it can damage the hair cells in the cochlea, which can lead to permanent hearing loss or tinnitus.

It is a disorder of the inner ear that causes dizziness, tinnitus, and temporary hearing loss. This often comes in fits and starts.

If you have persistent pain, hearing loss, fluid from the ear, or dizziness, you should contact your healthcare provider for assessment.

Tests related to Ear

MRI examination of organs

MRI Ears

MRI Ears

Magnetic resonance imaging
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Medical comment included

With us, you will always receive a doctor’s opinion from a licensed physician when you order a medical check-up that includes a medical opinion. The doctor’s opinion includes an overall assessment of your results from laboratory analysis. The opinion is individual and may vary depending on the specific tests your medical check-up includes.

What can I expect in the medical report?

The medical opinion will summarize the results of your test results to give you an assessment of your health including any abnormalities outside the reference ranges. In case of abnormalities or need, your doctor may also contact you for a free conversation to explain and talk about your results. Remember that a health check always includes specific test results based on your health and your personal circumstances. Values outside the reference range should therefore always be discussed with a doctor before any decisions regarding possible treatment are made.

What does the doctor look at during a health check?

When assessing a blood test or health check, your doctor will look at several different parameters to evaluate your health and identify any abnormalities. Below are some common aspects your doctor may examine:

Blood counts: Your doctor will check red, white and platelet counts to identify any signs of anaemia, infection or bleeding.

Nutrients and biochemical markers: Includes, for example, analysis and monitoring of blood sugar (glucose) levels, electrolyte levels (e.g. sodium, potassium), liver function tests (e.g. liver enzymes), kidney function tests (e.g. creatinine, urea) and lipid profile (e.g. cholesterol, triglycerides). The results of the tests give your doctor a better idea of your organ function, blood sugar level, cholesterol conditions and other important health aspects.

Inflammatory markers: Your doctor may measure health markers such as C-reactive protein (CRP) or red blood cell decrease rate (SR) to evaluate inflammatory conditions or confirm an active infection.

Hormone levels: Your doctor may monitor your hormone levels to assess hormonal imbalances or diseases, such as thyroid hormones (TSH, T3, T4), sex hormones or other specific hormones such as testosterone levels.

Specific tests: Depending on your goal of your health check or medical history, your doctor may look into specific tests to investigate conditions or diseases, such as diabetes, vitamin deficiency or autoimmune diseases.

In conclusion, the doctor weighs all test results based on the health check to assess your overall health, detect any abnormalities and identify possible underlying medical conditions.

What happens if I have abnormal test results?

If your blood count is abnormal, this will be addressed in your personal medical opinion. Depending on the nature and extent of the abnormality, your doctor may also contact you directly through the test result service for further guidance. Various measures and advice will be provided based on the specific abnormalities observed along with your medical history.

Call included

Call included, one of our doctors will contact you.
  • MRI Ears provides high-resolution images of the inner ear, ear canal and the course of the auditory nerve.
  • Recommended for hearing loss, tinnitus, dizziness or suspected tumor.
  • Referral and written statement from a doctor are always included in the examination.

5 595 kr

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