Hot potato voice is characteristic of –
**Hot Potato Voice**
**Core Concept**
Hot potato voice, also known as a croupy or barking cough, is a type of cough that sounds like the voice of a person who has been eating a hot potato. It is characterized by a distinctive barking or seal-like sound, often accompanied by stridor. This type of cough is typically seen in children with acute laryngotracheobronchitis (croup).
**Why the Correct Answer is Right**
The barking cough of croup is caused by inflammation of the larynx and trachea, which leads to narrowing of the airway. This causes the vocal cords to vibrate abnormally, producing a barking or seal-like sound. The stridor is due to turbulent airflow through the narrowed airway. The condition is often precipitated by a viral upper respiratory tract infection.
**Why Each Wrong Option is Incorrect**
**Option A:** This is incorrect because laryngitis typically causes a hoarse voice, not a barking cough.
**Option B:** This is incorrect because bronchiolitis in infants is characterized by a wheezing cough, not a barking cough.
**Option C:** This is incorrect because a foreign body in the airway would cause a choking or gurgling sound, not a barking cough.
**Clinical Pearl / High-Yield Fact**
A hot potato voice is often accompanied by stridor, and is a classic clinical presentation of croup. The condition is often treated with corticosteroids to reduce inflammation and relieve symptoms.
**Correct Answer: D. Croup**