Crepitus
Crepitus
Crepitus (pronounced: krep-i-tuhs) is a medical term that refers to a crackling or grating sound or sensation that may be perceived under the skin, in the joints, or in the lungs.
Etymology
The term "crepitus" is derived from the Latin word "crepitus" which means "a crackling sound or rattle." Typically, this term is used in medical contexts to describe a specific kind of sound that can be heard or felt in the body, often associated with certain medical conditions.
Definition
Crepitus is a symptom characterized by a crackling or popping sound that is often heard or felt in the body. This can occur in various parts of the body such as the joints, lungs, or under the skin. It is often associated with the presence of gas or air in the tissue, or the rubbing of bone against bone in a joint.
Causes
Crepitus can be caused by several factors, including:
- Arthritis: This is a common cause of crepitus, especially in the knee joint. The degeneration of cartilage in the joint causes the bones to rub against each other, creating a crackling sound.
- Pneumothorax: This is a condition where air leaks into the space between the lung and chest wall. This can cause a crackling sound when the individual breathes.
- Subcutaneous emphysema: This condition occurs when air gets into tissues under the skin. It is often caused by a chest injury or surgery and can cause a crackling sensation under the skin.
Related Terms
External links
- Medical encyclopedia article on Crepitus
- Wikipedia's article - Crepitus
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