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Related Concept Videos

Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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Introduction Cardiac Emergencies

Cardiac emergencies are critical situations involving the heart that require immediate medical intervention to prevent severe complications or death. These emergencies often arise from underlying heart conditions that impair the heart's ability to function correctly.Types of Cardiac EmergenciesThe most common types of cardiac emergencies include Acute Coronary Syndrome (ACS), myocardial infarction (MI), cardiac arrest, and heart failure.Acute Coronary Syndrome (ACS)Acute Coronary Syndrome (ACS)...
The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
Hearing01:31

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.

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Related Experiment Video

Updated: May 13, 2026

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
09:44

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

Published on: January 25, 2016

Sudden sensorineural hearing loss: an otologic emergency.

H Vijayendra1, Greeshma Buggaveeti, Bhavin Parikh

  • 1Vijaya ENT Care Centre, Malleswaram, Bangalore, India.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|March 2, 2013
PubMed
Summary

Early intervention with steroids, volume expanders, and antivirals significantly improves recovery rates for idiopathic sudden sensory neural hearing loss. Prompt medical attention is crucial for better hearing outcomes.

Keywords:
Idiopathic hearing lossSudden sensorineural hearing loss

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Published on: October 26, 2019

Area of Science:

  • Otolaryngology
  • Neurology

Background:

  • Idiopathic sudden sensory neural hearing loss (ISSHL) is a critical condition requiring prompt diagnosis and treatment.
  • Early medical intervention is vital for improving hearing recovery in patients with ISSHL.

Purpose of the Study:

  • To evaluate the effectiveness of steroids, volume expanders, and antivirals in managing ISSHL.
  • To emphasize the importance of timely medical intervention for ISSHL recovery.

Main Methods:

  • A prospective study enrolled 34 patients with ISSHL (≥30 dB loss).
  • Treatment involved intravenous hydrocortisone, intravenous dextran, and oral antiviral agents.
  • Audiometric pure tone average was analyzed pre- and post-treatment.

Main Results:

  • Combination therapy resulted in overall hearing improvement in 79.4% of patients.
  • A significant association was found between early intervention (before 3 days) and hearing improvement.
  • Complete recovery (Type 1) was achieved in 77.8% of patients treated within 3 days.

Conclusions:

  • ISSHL is a medical emergency that should not be misdiagnosed.
  • Early detection and management using a combination of volume expanders, steroids, and antivirals enhance the likelihood of complete hearing recovery.