![]() This documentation indicates that the expected sound (vesicular) was heard, specifies where it was heard (majority of the lung fields), notes the absence of any additional (adventitious) sounds, and explicitly mentions some of the specific sounds you listened for but did not hear (wheezing, crackles, rhonchi, stridor). No wheezing, crackles, rhonchi, or stridor.” “Normal vesicular breath sounds heard over the majority of the lung fields. This means that you heard the expected breath sounds and there were no abnormal or extra sounds. If lung sounds are normal, they’re often described as “clear to auscultation bilaterally” or “CTAB” (an abbreviation of the same phrase). When charting normal lung sounds, it’s important to be concise, clear, and descriptive. Vesicular lung sounds: over most lung spacesĬharting normal lung sounds: how to document lung sounds.Bronchovesicular lung sounds: in the posterior chest between the scapulae and in the center of the anterior chest.Bronchial lung sounds: over the large airways in the anterior chest near the second and third intercostal spaces.The different types of lung sounds can be heard best in the following locations: Vesicular lung sounds: soft, blowing, or rustling.Bronchovesicular lung sounds: softer than bronchial sounds with a tubular quality.Tracheal lung sounds: harsh, like air in a pipe.Bronchial lung sounds: loud and high-pitched.Any duplication or distribution of the information contained herein is strictly prohibited. No warranty of any kind, either expressed or implied, is made as to the accuracy, reliability, timeliness, or correctness of any translations made by a third-party service of the information provided herein into any other language. Links to other sites are provided for information only – they do not constitute endorsements of those other sites. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability. ![]() is accredited by URAC, for Health Content Provider (URAC's accreditation program is an independent audit to verify that A.D.A.M. Wheezing and other abnormal sounds can sometimes be heard without a stethoscope.Ī.D.A.M., Inc. They are most often heard when a person breathes out (exhales). High-pitched sounds produced by narrowed airways. Usually it is due to a blockage of airflow in the windpipe (trachea) or in the back of the throat. Wheeze-like sound heard when a person breathes. In lung sound analysis, the narrower the airways are, the higher the frequency of breathing sounds is, and, if a patient has higher than normal breathing sounds, i.e., bronchial sounds, he or she may have airway narrow-ing or airway inflammation. They occur when air is blocked or air flow becomes rough through the large airways. Rales can be further described as moist, dry, fine, and coarse. ![]() They are believed to occur when air opens closed air spaces. They are heard when a person breathes in (inhales). Small clicking, bubbling, or rattling sounds in the lungs. There are several types of abnormal breath sounds. Over-inflation of a part of the lungs ( emphysema can cause this).Air or fluid in or around the lungs (such as pneumonia, heart failure, and pleural effusion).Using a stethoscope, the health care provider may hear normal breathing sounds, decreased or absent breath sounds, and abnormal breath sounds. Bronchial breath sounds are characterised by expiration and inspiration producing noise of equal loudness and duration, sounding like blowing through a hollow tube. Normal lung sounds occur in all parts of the chest area, including above the collarbones and at the bottom of the rib cage. ![]() The lung sounds are best heard with a stethoscope.
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