Egophony
Egophony
Egophony (pronounced: ee-GOF-uh-nee) is a term used in medicine to describe a specific change in the quality of a patient's voice that is heard when listening to the lungs with a stethoscope.
Etymology
The term "egophony" comes from the Greek words "ego," meaning "I" or "self," and "phone," meaning "voice" or "sound." It was first used in the 19th century to describe the voice sounds heard through a stethoscope that resemble the bleating of a goat.
Definition
Egophony is a type of adventitious lung sound that is characterized by a high-pitched, nasal quality. It is often described as a "bleating" or "goat-like" sound. This sound is typically heard when a patient with a lung condition such as pneumonia or pleural effusion says the letter "E." Instead of hearing the normal "E" sound, the healthcare provider hears a distorted "A" sound through the stethoscope.
Related Terms
- Auscultation: The act of listening to sounds from the heart, lungs, or other organs, typically using a stethoscope.
- Bronchophony: An increased volume of voice sounds heard when auscultating the lungs. It is often due to consolidation of lung tissue, as in pneumonia.
- Pectoriloquy: A term used when the spoken voice is clearly and unusually audible over the chest wall. This is often due to consolidation or compression of lung tissue.
- Adventitious lung sounds: Abnormal sounds heard over the lungs with a stethoscope. These can include wheezes, crackles, stridor, and egophony.
External links
- Medical encyclopedia article on Egophony
- Wikipedia's article - Egophony
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