Pleural friction rub

A pleural friction rub, or simply pleural rub, is an audible medical sign present in some patients with pleurisy and other conditions affecting the chest cavity. 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^[1] and can be described as the sound made by treading on fresh snow. They occur where the pleural layers are inflamed and have lost their lubrication. Pleural rubs are common in pneumonia, pulmonary embolism, and pleurisy (pleuritis). Because these sounds occur whenever the patient's chest wall moves, they appear on inspiration and expiration.

References

↑ http://faculty.etsu.edu/arnall/www/public_html/heartlung/breathsounds/contents.html

Symptoms and signs relating to the respiratory system (R04–R07, 786)

Medical examination and history taking

Auscultation

Breathing

Rate	Apnea Dyspnea Hyperventilation Hypoventilation Hyperpnea Tachypnea Hypopnea Bradypnea

Pattern	Biot's respiration Cheyne–Stokes respiration Kussmaul breathing

Other	Respiratory distress Respiratory arrest Orthopnea/Platypnea Trepopnea Aerophagia Asphyxia Breath holding Mouth breathing Snoring

Other

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Pleural friction rub

See also

References