pericardial friction rub

noun
pericardial fric·​tion rub | \ -ˈfrik-shən-ˌrəb How to pronounce pericardial friction rub (audio) \

Medical Definition of pericardial friction rub

: the auscultatory sound produced by the rubbing together of inflamed pericardial membranes in pericarditis

called also pericardial rub

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