Updated: 2007
P24 antigen a soluble antigen produced by HIV PCP phencyclidine PCP Pneumocystis jiroveci (formerly carinii) pneumonia PCR polymerase chain reaction PEG-IFN pegylated interferon PEP postexposure prophylaxis PGL persistent generalized lymphadenopathy PI protease inhibitor PID pelvic inflammatory disease PML progressive multifocal leukoencephalopathy PND paroxismal nocturnal dyspnea PO by mouth; orally PPD purified protein derivative (tuberculin skin test) PPI proton pump inhibitor PPV positive predictive value PRN as needed (pro re nata) PSA prostate specific antigen PWP prevention with positives |