pericardial friction rub

Etiology: pericarditis Pathology: - inflammation resulting in loss of lubricant allowing the 2 pericardial layers to slide against each other Clinical manifestations: 1) synchronous with the heartbeat 2) may be inconsistent 3) positional changes may enhance of diminish the sounds 4) also see friction rub

References

DeGowin & DeGowin's Diagnostic Examination, 6th edition, RL DeGowin (ed), McGraw Hill, NY 1994, pg 340