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Pericardial friction rub
- ... There may be a rubbing sound (called a pericardial friction rub, not to be confused with a heart murmur). Heart sounds in general may be weak or sound far away. A buildup ... lungs (pericardial effusion) is not common after a heart attack. ...
- ... There may be an abnormal sound called a pericardial friction rub or pleural friction rub. Your provider will also ...