What does a pleural rub sound like

A pleural friction rub is almost always a sign of pleurisy. Pleurisy, otherwise known as pleuritis, is another name for inflammation of the pleura tissues around your lungs. Conditions that lead to pleurisy may also cause a pleural friction rub.

It is noted by listening to the internal sounds of the body, usually using a stethoscope on the lungs. Pleural friction rubs are the squeaking or grating sounds of the pleural linings rubbing together and can be described as the sound made by treading on fresh snow.

Pleural Rubs

This is often heard in pleurisy, or inflammation of the tissues that lie in the lungs and chest cavity. The sound may be continuous or broken and creaking or grating. It can be described as the sound of walking on fresh snow or rubbing leather together.

Crackles (Rales)

Crackles are also known as alveolar rales and are the sounds heard in a lung field that has fluid in the small airways. The sound crackles create are fine, short, high-pitched, intermittently crackling sounds. The cause of crackles can be from air passing through fluid, pus or mucus.

Crackles are abnormal lung sounds characterized by discontinuous clicking or rattling sounds. Crackles can sound like salt dropped onto a hot pan or like cellophane being crumpled or like Velcro being torn open.

Pleural rubs are common in pneumonia, pulmonary embolism, and pleurisy. Because these sounds occur whenever the patient’s chest wall moves, they appearon inspiration and expiration. Pleural friction rub occurs when the two layers of tissue become inflamed or if they lose the lubrication between them.

Stridor is a high-pitched squeaking or whistling sound, usually due to an obstruction in an airway. Stridor is a sign of an underlying health issue rather than a diagnosis or disease in itself.

Crackling or bubbling noises (rales) made by movement of fluid in the tiny air sacs of the lung. Dull thuds heard when the chest is tapped (percussion dullness), which indicate that there is fluid in a lung or collapse of part of a lung.

Subcutaneous crepitus from the lungs usually sounds like crackling, clicking, or popping sounds.

Wheezes and crackles are well-known signs of lung diseases, but can also be heard in apparently healthy adults. However, their prevalence in a general population has been sparsely described.

Types of breath sounds

rhonchi (a low-pitched breath sound) crackles (a high-pitched breath sound) wheezing (a high-pitched whistling sound caused by narrowing of the bronchial tubes) stridor (a harsh, vibratory sound caused by narrowing of the upper airway)

Main Differences Between Rales and Crackles

The sound of rales can be heard when we inhale the air. On the other hand, the sound of crackles can be heard when we exhale the air. … The rales are caused by the small airways, and they could sometimes be discontinuous. But the sound of the crackles is discontinuous.