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.
Rib pain is, of course, the most obvious symptom of a broken rib. But someone with this type of rib injury may also have considerable difficulty breathing. Sometimes injuries to the soft tissues surrounding the ribs can cause rib pain symptoms, even though the ribs themselves are not damaged.