How do you palpate symmetric chest expansion on the posterior lungs, and what are some abnormal findings?
Placing your warmed hands on posterlateral chest wall with thumbs at the level of T9 or T10. Slide your hands medially to pinch up small fold of skin between thumbs. Ask person to take a deep breath. Should be symmetric.
Symmetric chest expansion( at level T9 or T10)- may be uneven with atelectasis, pneumothorax, pleural effusion, phrenic nerve damage.