What causes a sharp pain in the rib cage when taking a very deep breath?
1. Introduction A sharp pain in the rib cage when taking a deep breath is primarily caused by pleurisy, costochondritis, or a localized musculoskeletal strain. When the delicate linings of the lungs become inflamed, or the cartilage connecting the ribs is irritated, the mechanical expansion of the chest wall during a deep inhalation triggers acute, … Read more