friction rub

rub

[rub] 1. to move something over a surface with friction.2. the action of such movement.3. friction rub.friction rub an auscultatory sound caused by the rubbing together of two serous surfaces, as in pericardial rub; called also rub.pericardial rub (pericardial friction rub) a scraping or grating noise heard with the heart beat, usually a to-and-fro sound, associated with an inflamed pericardium. Patients often complain of pleuritic discomfort that radiates in the chest, especially during inhalation. This condition must be distinguished from angina pectoris.pleural rub (pleuritic rub) a friction rub caused by friction between the visceral and costal pleurae.

fric·tion sound

the sound heard on auscultation made by the rubbing of two opposed serous surfaces roughened by an inflammatory exudate, or, if chronic, by nonadhesive fibrosis. Synonym(s): friction murmur, friction rub

A scratchy triphasic—or, occasionally, biphasic or monophasic—sound extending over the entire precordium, best heard along the left midsternum with the patient leaning forward, which changes in quality with inspiration and positional changes. The friction rub is pathognomonic for pericarditis and must be differentiated from to-and-fro or machinery-like murmurs and ‘crunching’ sounds, heard in emphysema; the 3 phases of the triphasic rub are due to pericardial-epicardial contact during ventricular systole, diastole, and atrial systole

friction rub

Cardiology A scratchy triphasic–occasionally, biphasic or monophasic sound extending over the entire precordium, best heard along the left midsternum with the Pt leaning forward, which changes in quality with inspiration and positional changes; FR is pathognomonic for pericarditis and must be differentiated from to-and-fro or machinery-like murmurs and 'crunching' sounds of emphysema; the 3 phases of the triphasic rub are due to pericardial-epicardial contact during ventricular systole, diastole, and atrial systole

fric·tion sound

(frik'shŭn sownd) The sound, heard on auscultation, made by the rubbing of two opposed serous surfaces roughened by an inflammatory exudate, or, if chronic, by nonadhesive fibrosis.
Synonym(s): friction rub.

单词	friction rub
释义	friction rub friction rub or friction murmur n (Medicine) med the sound, heard through a stethoscope, made by the rubbing together of the two inflamed layers of pericardium in patients with pericarditis or of pleura in patients with pleurisy EncyclopediaSeerub friction rub rub [rub] 1. to move something over a surface with friction.2. the action of such movement.3. friction rub.friction rub an auscultatory sound caused by the rubbing together of two serous surfaces, as in pericardial rub; called also rub.pericardial rub (pericardial friction rub) a scraping or grating noise heard with the heart beat, usually a to-and-fro sound, associated with an inflamed pericardium. Patients often complain of pleuritic discomfort that radiates in the chest, especially during inhalation. This condition must be distinguished from angina pectoris.pleural rub (pleuritic rub) a friction rub caused by friction between the visceral and costal pleurae. fric·tion sound the sound heard on auscultation made by the rubbing of two opposed serous surfaces roughened by an inflammatory exudate, or, if chronic, by nonadhesive fibrosis. Synonym(s): friction murmur, friction rub A scratchy triphasic—or, occasionally, biphasic or monophasic—sound extending over the entire precordium, best heard along the left midsternum with the patient leaning forward, which changes in quality with inspiration and positional changes. The friction rub is pathognomonic for pericarditis and must be differentiated from to-and-fro or machinery-like murmurs and ‘crunching’ sounds, heard in emphysema; the 3 phases of the triphasic rub are due to pericardial-epicardial contact during ventricular systole, diastole, and atrial systole friction rub Cardiology A scratchy triphasic–occasionally, biphasic or monophasic sound extending over the entire precordium, best heard along the left midsternum with the Pt leaning forward, which changes in quality with inspiration and positional changes; FR is pathognomonic for pericarditis and must be differentiated from to-and-fro or machinery-like murmurs and 'crunching' sounds of emphysema; the 3 phases of the triphasic rub are due to pericardial-epicardial contact during ventricular systole, diastole, and atrial systole fric·tion sound (frik'shŭn sownd) The sound, heard on auscultation, made by the rubbing of two opposed serous surfaces roughened by an inflammatory exudate, or, if chronic, by nonadhesive fibrosis. Synonym(s): friction rub. FinancialSeeRUB
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