HYDATID RESONANCE Meaning and
Definition
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Hydatid resonance is a medical term used to describe a specific type of abnormal sound or vibration that can be detected during physical examination of the chest. It is also known as "hydatid fremitus" or "hydatid thrill." The term "hydatid" refers to a cyst-like structure caused by an infestation of the tapeworm Echinococcus granulosus.
Hydatid resonance is characterized by a peculiar wheezing or buzzing sound that is generated by the presence of an air-filled cyst within the lung tissue. This sound is typically elicited through palpation, by applying pressure with the fingertips over the suspected area of lung involvement. It is often described as a fluctuating, vibratory sensation that can be felt by the examining physician.
The phenomenon of hydatid resonance is attributed to the unique properties of the hydatid cyst. These cysts are fluid-filled sacs that contain a large air cavity. When pressure is applied to the cyst, the air within it produces a characteristic resonance that can be appreciated as a sound or vibration. Hydatid resonance is considered a classic sign of pulmonary hydatid disease, which is caused by the parasitic tapeworm Echinococcus granulosus.
In clinical practice, the presence of hydatid resonance prompts further investigation for the presence of a hydatid cyst in the lungs. Chest X-rays, computed tomography (CT) scans, and serological tests are commonly employed to confirm the diagnosis. Treatment typically involves surgical removal of the cyst to prevent complications such as cyst rupture or infection.
Overall, hydatid resonance is a specific finding detected on physical examination that can help in the diagnosis of pulmonary hydatid disease.
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A peculiar vibratile r. heard on auscultatory percussion over an hydatid cyst.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for HYDATID RESONANCE
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Etymology of HYDATID RESONANCE
The term "hydatid resonance" is derived from two key components: "hydatid" and "resonance".
1. Hydatid: This term comes from the Greek word "hydatis", meaning "a small water vessel". In medical terminology, "hydatid" refers to a cyst formed by the larval stage of Echinococcus, a tapeworm genus commonly found in animals like sheep and dogs. These cysts are typically filled with clear fluid and can be found in various organs such as the liver, lungs, and brain.
2. Resonance: This word originates from the Latin "resonantia", which means "to resound" or "to echo". In the context of medicine, resonance typically refers to the sound produced when a body cavity, like the chest or abdomen, is tapped or percussed. The sound produced can indicate the presence of pathological conditions.
