Pericardial friction rub is one of several, similar sounds.

In children, rheumatic fever is often the cause of pericardial friction rub.

During medical doctor examination,a pericardial friction rub can be auscultated indicating precarditis.

Rubs: Patients with pericarditis, an inflammation of the sac surrounding the heart (pericardium), may have an audible pericardial friction rub.

Pericardial friction rub may have one, two, or three audible components, whereas the similar pleural friction rub ordinarily has two audible components.

Various abnormalities can be found on auscultation, such as a third and fourth heart sound, systolic murmurs, paradoxical splitting of the second heart sound, a pericardial friction rub and rales over the lung.