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friction rub (friction fremitus)
May be felt by palpation over the precordium, but generally heard during auscultation of the precordium. The sound is similar to two pieces of leather being rubbed together.
Specific
pericardial friction rub
pleural friction rub
General
sign/symptom
References
DeGowin & DeGowin's Diagnostic Examination, 6th edition,
RL DeGowin (ed), McGraw Hill, NY 1994, pg 340