During the assessment of a patient's heart sounds, the nurse hears a grating sound at the left of the sternal border. It is slightly muffled sounding. What might be the cause of this abnormal heart sound?

Question

Quizplus · Accepted Answer

The assessment of a grating sound at the left of the sterna border that is slightly muffled would most likely be the sounds of a pericardial friction rub. The pericardial friction rub is usually caused by pericardial inflammation.

During the Assessment of a Patient's Heart Sounds, the Nurse