Respiratory sounds
Respiratory sounds
Respiratory sounds, also known as Breath sounds, are the noises produced by the structures of the lungs during breathing. The sounds can be heard with a stethoscope during inhalation and exhalation.
Pronunciation
Respiratory: /rɛspɪrətɔːri/ Sounds: /saʊndz/
Etymology
The term "respiratory" comes from the Latin respirare which means "to breathe". The term "sounds" comes from the Old English sund, which means "noise".
Types of Respiratory Sounds
There are several types of respiratory sounds, including:
- Normal breath sounds: These are the sounds heard over the lungs during the process of normal breathing. They include vesicular, bronchial, and tracheal sounds.
- Adventitious sounds: These are abnormal sounds that are heard over the lungs. They include crackles (also known as rales), wheezes, and stridor.
- Pleural friction rub: This is a grating sound caused by the friction of the two layers of the pleura rubbing together. It is often associated with pleurisy, a condition in which the pleura becomes inflamed.
- Stridor: This is a high-pitched, wheezing sound caused by disrupted airflow. Stridor may also be called musical breathing or extrathoracic airway obstruction.
Related Terms
- Auscultation: The act of listening to the internal sounds of the body, usually using a stethoscope.
- Stethoscope: A medical instrument used to listen to the sounds produced within the body, primarily the heart and lungs.
- Pleura: The thin membranes that line the lungs and the inside of the chest cavity.
- Pleurisy: An inflammation of the pleura that often results in a sharp chest pain.
See Also
External links
- Medical encyclopedia article on Respiratory sounds
- Wikipedia's article - Respiratory sounds
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