Health Book Citation

Voice sounds reflect the ability of lung tissue to transmit spoken or whispered sound to the thoracic wall to be heard through the stethoscope. Interrupted non musical sounds often occurring due to opening of small airways.

Lung Auscultation Basicmedical Key

However abnormal breath sounds may include.

Transmitted upper airway sounds. Rhonchi a low pitched breath sound crackles a high pitched breath sound wheezing a high pitched whistling sound caused by narrowing of the. Stridor is defined as a high pitched continuous sound heard over the trachea. Stridor is louder than wheezing and it is longer in inspiration than in expiration.

Diminished present when there is decreased air movement in the lungs. Rhonchi a lung sound that is caused by air moving through secretions in the larger airways. The sounds resemble snoring.

Wheezes lung sounds that are caused by air moving through a narrowed or constricted airway. Wheeze monophonic single note due to fixed obstruction such as a space occupying lesion. Stridor a lung sound that occurs when an upper airway obstruction is present.

This can occur in the mouth or nose in the throat in the larynx voice box in the trachea breathing tube or further down into the lungs. It is created by turbulent or irregular airflow caused by the narrowed airway. Rhonchi are coarse rattling respiratory sounds usually caused by secretions in bronchial airways.

Unlike wheeze stridor is inspiratory. Rhonchi is the plural form of the singular word rhonchus. Noisy breathing that creates the rhonchi sound may be caused by an airway obstruction with upper respiratory conditions such as pneumonia chronic bronchitis and cystic fibrosis.

Bronchophony egophony and pectoriloquy are voice sounds. While thickened mucus in the air sacs attributes to pneumonia the secretions of the mucus into the inflamed bronchial tubes develop into chronic bronchitis. Due to upper airway obstruction.

It is due to turbulent flow generated in the upper airway during extrathoracic airway obstruction and it tends to occur when the upper airway is narrowed to 5 mm or less. Noisy breathing is typically caused by a partial blockage or narrowing at some point in the airways respiratory tract. Due to airway narrowing in asthma or chronic obstructive respiratory disease.

All voice generated sounds whether whispered or spoken should be evaluated as decreased normal or increased.

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