what is costochondritis
Costochondritis (kos-toe-kon-DRY-tis) is an inflammation of the cartilage that connects a rib to the breastbone (sternum).Pain caused by costochondritis might mimic that of a heart attack or other heart conditions.ostochondritis (kos-toe-kon-DRY-tis) is an inflammation of the cartilage that connects a rib to the breastbone (sternum).