To distinguish between a respiratory friction rub and cardiac friction rub, ask the patient to:
A) hold the breath.
B) lean forward.
C) say "99" while you palpate the anterior chest.
D) identify the location of the pain.

Question

Quizplus · Accepted Answer

A respiratory friction rub results when inflamed pleura rub against each other during the respiratory cycle; if the breath is held, the rub stops.

To Distinguish Between a Respiratory Friction Rub and Cardiac Friction