What breath sounds are heard on expiration?

Wheezes are sounds that are heard continuously during inspiration or expiration, or during both inspiration and expiration. They are caused by air moving through airways narrowed by constriction or swelling of airway or partial airway obstruction.

What do abnormal breath sounds indicate?

Abnormal breath sounds are usually indicators of problems in the lungs or airways. The most common causes of abnormal breath sounds are: pneumonia. heart failure.

What abnormal breath sounds might you listen for?

Abnormal lung sounds such as stridor, rhonchi, wheezes, and rales, as well as characteristics such as pitch, loudness, and quality, can give important clues as to the cause of respiratory symptoms.

What does a pneumothorax sound like?

Tension pneumothorax is classically characterized by hypotension and hypoxia. On examination, breath sounds are absent on the affected hemothorax and the trachea deviates away from the affected side. The thorax may also be hyperresonant; jugular venous distention and tachycardia may be present.

What does it mean when you have extra breath sounds?

The dense tissue transmits sound from the lung bronchi much more efficiently than through the air-filled alveoli of the normal lung. The term “adventitious” breath sounds refers to extra or additional sounds that are heard over normal breath sounds.

Which is an example of an abnormal breath sound?

Abnormal breath sounds include: the presence of “normal” sounds in areas where they are normally not heard. For example, bronchial (loud & tubular) breath sounds are abnormal in peripheral areas where only vesicular (soft & rustling) sounds should be heard.

What kind of sounds do you hear when you expire?

Loud, harsh, and high pitched bronchial sounds are typically heard over the trachea or at the right apex. They are predominantly heard during expiration. If heard in other areas of the lung, bronchial sounds are abnormal.

What makes a low creaking sound during respiration?

Pleural friction rubs are low-pitched, grating, or creaking sounds that occur when inflamed pleural surfaces rub together during respiration. More often heard on inspiration than expiration, the pleural friction rub is easy to confuse with a pericardial friction rub.