Making the world better, one answer at a time. Angel Dust is one of the street names of Phencyclidine, or PCP. It is a drug formerly used as an anesthetic agent, exhibitinghallucinogenic and neurotoxic effects.
A blow to the rib cage can cause either a fracture or bruising to the membrane that covers the bone (periosteum). Both can be very painful, and it is very often hard to distinguish the difference, even with a X-ray.
1 Inflammation near the cartilage that connects the ribs to the breastbone is called costochondritis. 2  This is another reason for cracked ribs. 3  Pleura is a membrane in the chest cavity that surrounds each of the lungs. 4  When this membrane has a swelling, it may lead to cracked rib.