Heart
Heart Sounds Introduction
Pediatrics: When To Refer
Heart Murmur
Normal Heart Sounds
First Heart Sounds
Second Heart Sounds
Extra Heart Sounds (S3 & S4)
Systolic Murmurs
Diastolic Murmurs
Complex Conditions
Congenital Abnormalities
Cardiac Conditions Assoc. with Sudden Death
Heart Sounds in Primary Care
Auscultation Repetition Training
Heart Sounds Guide
Lungs
Lung Sounds Introduction
Basic Lung Sounds
Intermediate Lung Sounds
Lung Sounds Guide
Intro To Lung Sounds
Blood Pressure
Taking Blood Pressure
Measuring Blood Pressure Procedure
Adult Case Studies Part I
Adult Case Studies Part II
High Blood Pressure in Children
Extras
Terms
Quizzes
Heart Sounds Guide
Lung Sounds Guide
Sonography Training (free)
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Adventitious Lung Sounds
This website offers lessons, reference guides and quizzes for
adventitious lung sounds
. On this page we provide a definition and then we examples of several types of adventitious lung sounds using audio recordings and text.
What Are Adventitious Lung Sounds?
Adventitious lung sounds
are abnormal sounds that are heard when auscultating a patient's lungs and airways. These sounds include abnormal sounds such as fine and coarse crackles (crackles are also called rales), wheezes (sometimes called rhonchi), pleural rubs and stridor. Adventitious lung sounds are important clues used for diagnosing numerous cardiac and pulmonary conditions. These sounds and corresponding conditions are described in our lung sounds courses.
Crackles and Wheezes
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Crackles
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Crackles are discontinuous, brief, popping sounds. Similar to the sound of a hook and loop fastener being pulled apart.
Wheezes
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Wheezes are continuous, musical sounds, high or low pitched. Usually more pronounced on expiration.
Pleural Rubs and Stridor
Pleural Rubs
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Plural rubs are creaking or grating sounds that have been described as being similar to walking on fresh snow.
Stridor
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A loud, high-pitched sound heard during inspiration but may also occur throughout the respiratory cycle.
Adventitious Sounds Listening Tips
Our auscultation guide provides information and examples of
adventitious lung sounds
. The guide pages provide waveforms with a moving cursor that is synchronized to the audio recording. In addition, listening tips are available.
Lung Sounds Reference Guide
Adventitious Lung Sound Lesson
Our short courses on lung sounds cover many adventitious sounds.
Basics of Lung Sounds
Intermediate Lung Sounds