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.
The most common causes of rib cage pain are a pulled muscle or bruised ribs. Other causes of pain in the rib cage area are: broken ribs. injuries to the chest. rib fractures. diseases that affect the bones, such as osteoporosis.