Page 768 - First Aid for the USMLE Step 1 2020, Thirtieth edition [MedicalBooksVN.com]_Neat

724 seCtion iv AbbreviAtions And symbols AbbreviAtions And symbols

ABBREVIATION MEANING ABBREVIATION MEANING
NRMP National Residency Matching Program PDGF platelet-derived growth factor
NNRTI non-nucleoside reverse transcriptase inhibitor PDH pyruvate dehydrogenase
NO nitric oxide PE pulmonary embolism
N O nitrous oxide PECAM platelet–endothelial cell adhesion molecule
2
NPH neutral protamine Hagedorn, normal pressure Peco 2 expired air Pco 2
hydrocephalus PEP phosphoenolpyruvate
NPV negative predictive value PF platelet factor
NRTI nucleoside reverse transcriptase inhibitor PFK phosphofructokinase
NSAID nonsteroidal anti-inflammatory drug PFK-2 phosphofructokinase-2
NSE neuron-specific enolase PFT pulmonary function test
NSTEMI non–ST-segment elevation myocardial infarction PG phosphoglycerate
Nu* nucleolus P i plasma interstitial osmotic pressure, inorganic phosphate
OAA oxaloacetic acid PICA posterior inferior cerebellar artery
OCD obsessive-compulsive disorder PID pelvic inflammatory disease
OCP oral contraceptive pill Pio 2 Po in inspired air
2
ODC oxygen-hemoglobin dissociation curve PIP proximal interphalangeal [joint]
OH hydroxy PIP 2 phosphatidylinositol 4,5-bisphosphate
1,25-OH D calcitriol (active form of vitamin D) PIP phosphatidylinositol 3,4,5-bisphosphate
3 3
25-OH D storage form of vitamin D PKD polycystic kidney disease
3
OPV oral polio vaccine PKR interferon-α–induced protein kinase
OR odds ratio PKU phenylketonuria
OS opening snap PLP pyridoxal phosphate
OSA obstructive sleep apnea PML progressive multifocal leukoencephalopathy
OVLT organum vasculosum of the lamina terminalis
PMN polymorphonuclear [leukocyte]
P-body processing body (cytoplasmic)
P net filtration pressure
P-450 cytochrome P-450 family of enzymes net
PNET primitive neuroectodermal tumor
PA posteroanterior, pulmonary artery PNS peripheral nervous system
PABA para-aminobenzoic acid Po partial pressure of oxygen
Paco arterial Pco 2
2 2 PO 3− phosphate
Paco alveolar Pco 4
2 2 Pop* popliteal artery
PAH para-aminohippuric acid Pop a* popliteal artery
PAN polyarteritis nodosa Post* posterior
Pao partial pressure of oxygen in arterial blood
2 PPAR peroxisome proliferator-activated receptor
Pao partial pressure of oxygen in alveolar blood
2 PPD purified protein derivative
PAP Papanicolaou [smear], prostatic acid phosphatase PPI proton pump inhibitor
PAPPA pregnancy-associated plasma protein A PPM parts per million
PAS periodic acid–Schiff PPSV23 pneumococcal polysaccharide vaccine
Pat* patella PPV positive predictive value
PBP penicillin-binding protein PR3-ANCA/ cytoplasmic antineutrophil cytoplasmic antibody
PC platelet count, pyruvate carboxylase c-ANCA
PCA posterior cerebral artery PrP prion protein
PCC prothrombin complex concentrate PRPP phosphoribosylpyrophosphate
PCL posterior cruciate ligament PSA prostate-specific antigen
Pco 2 partial pressure of carbon dioxide PSS progressive systemic sclerosis
PCom posterior communicating [artery] PT prothrombin time
PCOS polycystic ovarian syndrome PTEN phosphatase and tensin homolog
PCP phencyclidine hydrochloride, Pneumocystis jirovecii PTH parathyroid hormone
pneumonia PTHrP parathyroid hormone–related protein
PCR polymerase chain reaction PTSD post-traumatic stress disorder
PCT proximal convoluted tubule PTT partial thromboplastin time
PCV13 pneumococcal conjugate vaccine PV plasma volume, venous pressure
PCWP pulmonary capillary wedge pressure Pv* pulmonary vein
PDA patent ductus arteriosus, posterior descending artery PVC polyvinyl chloride
PDE phosphodiesterase PVR pulmonary vascular resistance

*Image abbreviation only

FAS1_2019_19_Appendix_Abbrev-Sym.indd 724 11/8/19 6:54 AM