Crackles are referred to as discontinuous sounds they are intermittent, nonmusical and brief. Sources differ as to the classification and nomenclature of these sounds, but most examiners commonly use the following terms to describe adventitious breath sounds.ĭetection of adventitious sounds is an important part of the respiratory examination, often leading to diagnosis of cardiac and pulmonary conditions.Ĭrackles (or rales) are caused by fluid in the small airways or atelectasis. The term “adventitious” breath sounds refers to extra or additional sounds that are heard over normal breath sounds.
The dense tissue transmits sound from the lung bronchi much more efficiently than through the air-filled alveoli of the normal lung. These conditions cause the lung tissue to be dense. When bronchial sounds are heard in areas distant from where they normally occur, the patient may have consolidation (as occurs with pneumonia) or compression of the lung.
In the end, it can lead to a completely blocked airway.ħ. Stridor is occurring because there is narrowing of the larynx and trachea due to swelling from an infection or blockage from an object etc. Epiglottitis is inflammation of the epiglottis (which is found in the throat in front of the larynx). Which patient below is at risk for stridor?Ī. What characteristic below would best describe how this sound presents?Ħ. This sound is located in the throat area.ĥ. The answer is B: “throat” Stridor occurs because there is narrowing of the larynx and trachea which can happen due to swelling from an infection or blockage from an object etc.
The nurse asks the parent to verbalize where the sound is mainly located. The nurse is educating a patient’s parent on how to identify stridor. True or False: Stridor is considered to be continuous sound rather than a discontinuous sound.Ĥ. The answer is D: Stridor is high-pitched.ģ. “Stridor sounds like a light snoring sound.” “The lower airways of the respiratory system are affected by stridor.”Ĭ. Which statement is true regarding stridor?ī. The answer is A: during inspiration or expirationĢ. Fill-in-the-blank: Stridor can occur _.ĭ.