Ménière's Disease Indian Medical PG Practice Questions and MCQs
Practice Indian Medical PG questions for Ménière's Disease. These multiple choice questions (MCQs) cover important concepts and help you prepare for your exams.
Ménière's Disease Indian Medical PG Question 1: Dip at 4000 Hz in pure tone audiometry indicates:
- A. Meniere's disease
- B. Age related hearing loss
- C. Otosclerosis
- D. Noise induced hearing loss (Correct Answer)
Ménière's Disease Explanation: ***Noise induced hearing loss***
- A characteristic **"4 kHz Notch"** or dip in the audiogram is a hallmark of **noise-induced hearing loss**, resulting from damage to the **cochlear hair cells** in this frequency range.
- This specific frequency is most susceptible to damage from loud noise exposure due to the physical properties of the **basilar membrane**.
*Meniere's disease*
- Typically presents with **low-frequency hearing loss**, often fluctuating, along with **tinnitus**, **vertigo**, and a feeling of **aural fullness**.
- A dip at 4000 Hz is not a characteristic audiometric finding for **Meniere's disease**.
*Age related hearing loss*
- Also known as **presbycusis**, it is typically a **symmetrical, progressive, sensorineural hearing loss** that primarily affects **higher frequencies**, but it usually presents as a more gradual slope rather than a sharp dip at a specific frequency like 4 kHz.
- While high frequencies are affected, the pattern is usually a broader high-frequency loss, not an isolated notch.
*Otosclerosis*
- This condition is a form of **conductive hearing loss** (though it can have a sensorineural component in advanced stages) due to abnormal bone growth around the **stapes footplate**.
- Its classic audiometric finding is a **Carhart notch** around 2000 Hz, with a conductive hearing loss pattern, rather than a sensorineural dip at 4000 Hz.
Ménière's Disease Indian Medical PG Question 2: Surgeries used in management of Meniere's disease are all Except
- A. Sacculotomy
- B. Endolymphatic shunt operation
- C. Stapedectomy (Correct Answer)
- D. Labyrinthectomy
Ménière's Disease Explanation: ***Stapedectomy***
- **Stapedectomy** is a surgical procedure primarily used to treat **otosclerosis**, a condition causing conductive hearing loss due to abnormal bone growth in the middle ear.
- It involves removing the stapes bone and replacing it with a prosthesis to restore sound conduction, which is not a treatment for **Meniere's disease**.
*Sacculotomy*
- This procedure involves making a small incision in the **saccule** (part of the labyrinth) to decompress the inner ear in Meniere's disease.
- Its goal is to reduce inner ear pressure and improve symptoms like **vertigo**, but it carries a risk of hearing loss.
*Endolymphatic shunt operation*
- This surgery aims to create a drainage path for excess **endolymph** from the endolymphatic sac, reducing pressure in the inner ear.
- It is a common surgical option for intractable Meniere's disease to control vertigo attacks while preserving hearing.
*Labyrinthectomy*
- **Labyrinthectomy** is a destructive surgical procedure where the entire **labyrinth**, including the vestibular and cochlear structures, is removed.
- It is typically reserved for severe, intractable Meniere's disease in patients with **non-serviceable hearing** in the affected ear, as it results in complete hearing loss.
Ménière's Disease Indian Medical PG Question 3: 35 years old female presents with tinnitus, vertigo and aural fullness. Likely diagnosis:
- A. Ototoxicity
- B. Noise Induced Hearing Loss
- C. Meniere's Disease (Correct Answer)
- D. Otosclerosis
Ménière's Disease Explanation: ***Meniere's Disease***
- The classic triad of symptoms for Meniere's disease includes **tinnitus**, **vertigo**, and **aural fullness**, along with fluctuating sensorineural hearing loss.
- This condition is thought to be caused by an excess of **endolymphatic fluid** within the inner ear.
*Ototoxicity*
- This condition typically presents with **bilateral, symmetrical hearing loss** and tinnitus, often induced by certain medications (e.g., aminoglycosides, aspirin in high doses).
- It usually does not involve episodic vertigo or aural fullness, which are characteristic of Meniere's.
*Noise Induced Hearing Loss*
- Characterized primarily by **permanent sensorineural hearing loss**, often at specific frequencies (e.g., 4000 Hz notch), and **tinnitus** after prolonged exposure to loud noise.
- It does not typically cause the episodic vertigo or sense of aural fullness seen in Meniere's disease.
*Otosclerosis*
- This condition causes **progressive conductive hearing loss** due to abnormal bone growth around the stapes bone, impairing its movement.
- While it can cause tinnitus, it typically does not present with vertigo or aural fullness, and the primary hearing loss is conductive, not sensorineural.
Ménière's Disease Indian Medical PG Question 4: Chemical labyrinthectomy by transtympanic route is done in Meniere's disease using which drug?
- A. Amikacin
- B. Amoxycillin
- C. Cyclosporine
- D. Gentamicin (Correct Answer)
Ménière's Disease Explanation: ***Gentamicin***
- **Gentamicin** is an **aminoglycoside antibiotic** that is commonly used for chemical labyrinthectomy due to its **ototoxic** properties, particularly its selective toxicity to **vestibular hair cells** at lower doses.
- When administered transtympanically, it achieves high concentrations in the **inner ear fluid**, effectively ablating the vestibular function and reducing severe vertigo in **Meniere's disease**.
*Amikacin*
- **Amikacin** is also an **aminoglycoside antibiotic** with ototoxic potential, but it is typically reserved for severe bacterial infections and is not the primary drug of choice for **chemical labyrinthectomy** in Meniere's disease.
- While it can cause hearing loss, **gentamicin** has a more established and preferential effect on the **vestibular system** at therapeutic doses for Meniere's.
*Amoxycillin*
- **Amoxycillin** is a common **beta-lactam antibiotic** used for bacterial infections, and it does not possess **ototoxic** properties that would make it suitable for chemical labyrinthectomy.
- It is primarily known for its antibacterial action and has no role in the management of vertigo in **Meniere's disease** via transtympanic administration.
*Cyclosporine*
- **Cyclosporine** is an **immunosuppressant drug** used to prevent organ rejection and treat autoimmune conditions; it does not have properties for chemical ablation of the labyrinth.
- While some autoimmune components are sometimes considered in Meniere's disease, cyclosporine is not used for **transtympanic chemical labyrinthectomy**.
Ménière's Disease Indian Medical PG Question 5: How does Meniere's disease affect hearing?
- A. Fluctuating sensorineural hearing loss. (Correct Answer)
- B. Conductive hearing loss due to ossicle fusion.
- C. Conductive hearing loss due to eardrum perforation.
- D. Immediate permanent sensorineural hearing loss.
Ménière's Disease Explanation: ***Fluctuating sensorineural hearing loss.***
- Meniere's disease causes **endolymphatic hydrops**, where excess fluid in the inner ear damages hair cells, leading to **sensorineural hearing loss**.
- The hearing loss is particularly characteristic for being **fluctuating**, meaning it can vary in severity and duration, often worsening during attacks and partially improving afterwards.
- This fluctuating pattern is the **hallmark presenting feature** that distinguishes Meniere's from other causes of hearing loss.
*Conductive hearing loss due to ossicle fusion.*
- **Ossicle fusion**, as seen in conditions like **otosclerosis**, results in **conductive hearing loss** by impairing the transmission of sound vibrations through the middle ear.
- Meniere's disease is an inner ear disorder and does not directly involve the ossicles or cause their fusion.
*Conductive hearing loss due to eardrum perforation.*
- An **eardrum perforation** causes **conductive hearing loss** by creating a direct pathway for sound to bypass the ossicular chain, reducing sound transduction.
- Meniere's disease is an **inner ear disorder** and does not involve damage to the tympanic membrane or middle ear structures.
*Immediate permanent sensorineural hearing loss.*
- Meniere's disease does **not** present with immediate permanent hearing loss; rather, it begins with **fluctuating, reversible episodes**.
- While recurrent attacks over years can lead to progressive permanent hearing loss, the characteristic **initial presentation** is fluctuating hearing loss that improves between attacks.
- Immediate permanent hearing loss would suggest acute causes like **sudden sensorineural hearing loss (SSNHL)**, **acoustic trauma**, or **labyrinthitis**, not Meniere's disease.
Ménière's Disease Indian Medical PG Question 6: Which of the following is NOT seen in Meniere's disease?
- A. Otalgia (Correct Answer)
- B. Tinnitus
- C. Hearing loss
- D. Vertigo
Ménière's Disease Explanation: ***Otalgia***
- **Otalgia** (ear pain) is **not a typical symptom** of Meniere's disease. Meniere's disease is characterized by an imbalance of fluid in the inner ear, leading to a specific triad of symptoms.
- While other ear conditions can cause pain, it is not part of the diagnostic criteria or common presentation of Meniere's.
*Tinnitus*
- **Tinnitus**, often described as a ringing, buzzing, or roaring sound in the ear, is a **hallmark symptom** of Meniere's disease.
- It often accompanies or precedes the vertigo attacks and can fluctuate in intensity.
*Hearing loss*
- **Fluctuating sensorineural hearing loss**, usually affecting the lower frequencies initially, is a key diagnostic criterion for Meniere's disease.
- The hearing loss can worsen during attacks and may become more permanent over time.
*Vertigo*
- **Episodic rotational vertigo**, often severe and lasting from 20 minutes to several hours, is the most debilitating symptom of Meniere's disease.
- It is typically associated with nausea and vomiting and is a core part of the diagnostic criteria.
Ménière's Disease Indian Medical PG Question 7: Which of the following is not true about Meniere’s disease?
- A. Fluctuating hearing loss
- B. Bilateral involvement (Correct Answer)
- C. Tinnitus
- D. Vertigo
Ménière's Disease Explanation: ***Bilateral involvement***
- Meniere's disease **characteristically presents as a unilateral disorder** affecting one ear.
- Only **15-30% of patients** eventually develop bilateral involvement, typically occurring **years to decades** after initial presentation.
- Since bilateral involvement is **not a typical feature**, this statement is **not true** about Meniere's disease, making it the correct answer.
*Fluctuating hearing loss*
- **Intermittent and progressive hearing loss** is a hallmark symptom of Meniere's disease, often worsening during acute attacks.
- This symptom is due to **endolymphatic hydrops** affecting the cochlea and is part of the classic presentation.
*Tinnitus*
- **Tinnitus** (ringing, roaring, or buzzing sound) is one of the cardinal symptoms of Meniere's disease.
- It typically **worsens during vertiginous episodes** and can fluctuate in intensity between attacks.
*Vertigo*
- **Recurrent, spontaneous episodes of rotational vertigo** are the defining characteristic of Meniere's disease.
- Episodes last from **20 minutes to several hours**, often accompanied by nausea, vomiting, and prostration.
Ménière's Disease Indian Medical PG Question 8: Best surgery to relieve intractable vertigo in a Meniere's disease patient with profound hearing loss is?
- A. Vestibular neurectomy
- B. Endolymphatic sac decompression
- C. Cochleosacculotomy
- D. Surgical Labyrinthectomy (Correct Answer)
Ménière's Disease Explanation: **Surgical Labyrinthectomy**
* **Labyrinthectomy** is the most effective surgical option for intractable vertigo in Meniere's disease when the affected ear also has **profound hearing loss**, as it completely ablates the vestibular function of the inner ear.
* Since the patient already has profound hearing loss, the loss of residual hearing from this procedure is not a significant concern, making it an ideal choice for **vertigo control**.
*Vestibular neurectomy*
* **Vestibular neurectomy** is a highly effective procedure for intractable vertigo, as it aims to selectively cut the vestibular nerve while preserving hearing.
* However, it is a more complex surgical approach compared to labyrinthectomy and is typically reserved for patients with **serviceable hearing** that they wish to preserve.
*Endolymphatic sac decompression*
* **Endolymphatic sac decompression** is a surgical procedure designed to improve the reabsorption of endolymph, thereby reducing the pressure and symptoms of Meniere's disease, including vertigo and hearing loss.
* While it may improve vertigo symptoms, it is less consistently effective than ablative procedures for intractable vertigo and its primary benefit is to **preserve hearing**, which is not a priority in a patient with profound hearing loss.
*Cochleosacculotomy*
* **Cochleosacculotomy** involves making a small opening in the labyrinth to drain endolymph, aiming to reduce endolymphatic hydrops and alleviate vertigo.
* Though it can help with vertigo, it carries a high risk of causing complete hearing loss in the operated ear and offers less reliable vertigo control compared to a labyrinthectomy, especially when profound hearing loss is already present.
Ménière's Disease Indian Medical PG Question 9: A 72-year-old man presents to his primary care physician with progressively worsening hearing loss. He states that his trouble with hearing began approximately 7-8 years ago. He is able to hear when someone is speaking to him; however, he has difficulty with understanding what is being said, especially when there is background noise. In addition to his current symptoms, he reports a steady ringing in both ears, and at times experiences dizziness. Medical history is significant for three prior episodes of acute otitis media. Family history is notable for his father being diagnosed with cholesteatoma. His temperature is 98.6°F (37°C), blood pressure is 138/88 mmHg, pulse is 74/min, and respirations are 13/min. On physical exam, when a tuning fork is placed in the middle of the patient's forehead, sound is appreciated equally on both ears. When a tuning fork is placed by the external auditory canal and subsequently on the mastoid process, air conduction is greater than bone conduction. Which of the following is most likely the cause of this patient's symptoms?
- A. Stapedial abnormal bone growth
- B. Endolymphatic hydrops
- C. Cochlear hair cell degeneration (Correct Answer)
- D. Accumulation of desquamated keratin debris
Ménière's Disease Explanation: ***Cochlear hair cell degeneration***
- The patient's **progressive, bilateral hearing loss** over several years, difficulty understanding speech in noise, and **tinnitus** are classic symptoms of **presbycusis**, which results from age-related **degeneration of cochlear hair cells**.
- The **normal Weber test** (no lateralization) and **Rinne test** (air conduction > bone conduction) indicate a **sensorineural hearing loss**, consistent with cochlear pathology rather than conductive issues.
*Stapedial abnormal bone growth*
- This condition (**otosclerosis**) causes **conductive hearing loss** due to fixation of the stapes, which would present with an **abnormal Rinne test** (bone conduction > air conduction) in the affected ear.
- While it can cause progressive hearing loss and tinnitus, the normal Rinne test contradicts this diagnosis.
*Endolymphatic hydrops*
- This is the underlying pathology of **Ménière's disease**, which typically presents with episodic vertigo, fluctuating sensorineural hearing loss, tinnitus, and aural fullness.
- The patient's dizziness is non-episodic, and the absence of fluctuating hearing loss and aural fullness makes Ménière's less likely.
*Accumulation of desquamated keratin debris*
- This describes a **cholesteatoma**, which typically causes **conductive hearing loss** and often presents with otorrhea, earache, and possibly vestibular symptoms.
- The normal Rinne test (indicating sensorineural loss) and lack of otorrhea or earache make cholesteatoma unlikely, despite a family history.
Ménière's Disease Indian Medical PG Question 10: A female patient presents with mild conductive hearing loss (CHL) and tinnitus. Based on the pure tone audiometry (PTA) shown in the image, what is the most likely diagnosis?
- A. Ménière's disease
- B. Otosclerosis (Correct Answer)
- C. Ototoxicity
- D. Noise-Induced Hearing Loss (NIHL)
Ménière's Disease Explanation: ***Otosclerosis***
- The audiogram shows a **conductive hearing loss** with a notable **Carhart notch** (bone conduction dip at 2000 Hz), which is characteristic of otosclerosis.
- The patient's symptoms of **mild CHL** and **tinnitus** are consistent with the presentation of otosclerosis, a condition involving abnormal bone growth in the middle ear.
*Ménière's disease*
- This condition primarily causes **sensorineural hearing loss**, often fluctuating and affecting low frequencies initially, along with **vertigo, tinnitus, and aural fullness**.
- The audiogram indicates **conductive hearing loss**, not sensorineural, and **vertigo** is not mentioned as a primary symptom.
*Ototoxicity*
- Ototoxicity typically results in **sensorineural hearing loss**, often bilateral and affecting high frequencies first.
- The audiogram demonstrates **conductive hearing loss**, and there is no information about exposure to ototoxic medications.
*Noise-Induced Hearing Loss (NIHL)*
- NIHL is characterized by **sensorineural hearing loss**, typically with a **notch at 3000-6000 Hz** (most commonly 4000 Hz notch) on the audiogram.
- The audiogram reflects **conductive hearing loss**, and the specific pattern does not match that of NIHL.
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