| PCU | pain control unit; primary care unit; patient care unit; pulmonary care unit |
|---|---|
| PCW | pericanalicular web; personal care worker; primary capillary wedge; pulmonary capillary wedge; purif... |
| PDCD | primary degenerative cerebral disease |
| PDD | pervasive developmental disorder; platinum diamminodichloride [cisplatin]; primary degenerative deme... |
| PDR | pediatric radiology; peripheral diabetic retinopathy; Physicians' Desk Reference; postdelivery room;... |