Abbreviations - P

p - p pathological.

P - P periarteriolar lymphocyte sheath (about spleen).

P - P phosphorus pressure pulse para.

P - P product.

P - P proline.

P - P

P&A - P&A percussion and auscultation

P&S - P&S permanent and stationary

P(a-ET)CO2 - P(a-ET)CO2 arterial-end tidal PCO2 difference (should be less than 7 mmHg).

p(with line over it) - p(with line over it) after post.

p-ANCA - p-ANCA perinuclear antineutrophil cytoplasmic antibodies.

P-PST-1 - P-PST-1 phenol-sulfating form of sulfotransferases.

P-selectin (GMP140) - P-selectin (GMP140) adhesion molecule on endothelial cells and platelets.

p.r.n. - p.r.n. pro re nata (as needed).

P: - P: plan.

P02 - P02 pressure of oxygen

p24 - p24 viral protein specific to HIV virus.

p53 - p53 a tumor suppressor gene.

PA - PA pernicious anemia.

PA - PA phagocytic activity.

PA - PA physician assistant.

PA - PA polyactive.

PA - PA posteroanterior (view in X-rays).

PA - PA pulmonary artery.

PA(S)P - PA(S)P pulmonary artery (systolic) pressure.

PAB - PAB PBS/bovine serum albumin/azide buffer.

PAC - PAC porous apatite ceramics.

PAC - PAC premature atrial contraction.

PACAP - PACAP Pituitary adenylate-cyclase-activating polypeptide.

PaCO2 - PaCO2 partial pressure of carbon dioxide in arterial blood.

PaCO2 (kPa) - PaCO2 (kPa) carbon dioxyde partial pressure in arterial blood.

PACU - PACU post anesthesia care unit.

PAD - PAD palmar adductors.

PAD - PAD peripheral arterial disease.

PAD - PAD peripheral arteriosclerotic disease.

PAD - PAD preliminary anatomic diagnosis.

PADP - PADP pulmonary artery diastolic pressure.

PAEDP - PAEDP pulmonary artery end-diastolic pressure (normal range 4-13 mmHg).

PAF - PAF platelet-activating factor.

PAH - PAH polycyclic aromatic hydrocarbon.

PAHO - PAHO Pan American Health Organization.

PAI - PAI physical activity index.

PAL - PAL posterior axillary line.

PALS - PALS pediatric advanced life support (training course).

PALS - PALS periarteriolar lymphocyte sheath.

PAM - PAM Potential Acuity Meter.

PAN - PAN polyarteritis nodosa.

PAO - PAO periarticular ossification.

PaO2 - PaO2 partial pressure of oxygen in arterial blood.

PAOD - PAOD peripheral arterial occlusive disease.

PAOP - PAOP pulmonary artery occluded pressure.

PAOP - PAOP pulmonary artery occlusive pressure (a.k.a.PCWP).

Pap - Pap Papanicolaou smear.

PAP - PAP peroxidase antiperoxidase.

PAP - PAP prostatic acid phosphatase.

PAP - PAP pulmonary artery pressure (normal mean 9-19 mmHg) .

para - para number of pregnancies.

pares. - pares. paresthesias.

PARP - PARP poly (ADP-ribose) polymerase.

PARQ - PARQ Parent-Adolescent Relationship Questionnaire.

PARQ - PARQ Parental Acceptance/Rejection Questionnaire.

PARQ - PARQ Physical Activity Readiness Questionnaire.

PARQ - PARQ physical activity recall questionnaire.

PAS - PAS primosome assembly site.

PASG - PASG pneumatic anti-shock garment.

PASI - PASI psoriasis area and severity index (scoring of erythema induration scaling and involved area).

PAT - PAT paroxysmal atrial tachycardia.

Path - Path pathology.

PB - PB phenobarbital.

PBB - PBB polybrominated biphenyls (intoxication cause disorders of immune function).

PBC - PBC primary biliary cirrhosis.

PBD - PBD Pick body dementia.

PBI - PBI protein bound iodine.

PBL - PBL primary brain lymphoma.

PBL - PBL problem-based learning.

PBMC - PBMC peripheral blood mononuclear cells.

PBN - PBN phenyl-N-tert-butyl nitrone.

pBNP - pBNP porcine brain natriuretic peptide.

PBO - PBO placebo.

PBOSRF - PBOSRF Palm Beach Orthopaedic and Spinal Research Foundation.

PBPC - PBPC peripheral blood progenitor cells.

PBPs - PBPs Penicillin-binding Proteins.

PBS - PBS phosphate buffered saline.

PBS - PBS postprandial bood sugar.

PBSC - PBSC peripheral blood stem cell.

PBT - PBT persistent bioaccumulative and toxic.

pc - pc after meals.

PC - PC personal computer.

PC - PC pheochromocytoma.

PC - PC phone call.

PC - PC plasma cells.

pc - pc post cenam after meals.

PC - PC posterior cervical.

PC - PC present complaint.

PCA - PCA patient controlled analgesia.

PCB - PCB polychlorinated biphenyls toxic used in manufacture of electrical transformers.

PCB - PCB production cell bank.

PCBA - PCBA printed circuit board assembled.

PCC - PCC primary cell culture.

PCCE - PCCE pseudostratified ciliated columnar epithelium.

PCD - PCD percutaneous catheter drainage.

PCD - PCD programmed cell death.

PCF - PCF posterior cervical fusion.

PCG - PCG pancreatico-cholangiography.

PCG - PCG paracervical ganglion.

PCG - PCG phonocardiogram.

PCG - PCG preventive care group.

PCG - PCG primate chorionic gonadotropin.

PCG - PCG pubococcygeus.

PCH - PCH paroxysmal cold hemoglobinuria.

PCI - PCI parturition to conception interval.

PCI - PCI percutaneous coronary intervention.

PCIOL - PCIOL posterior chamber intraocular lens.

PCKD - PCKD all parameters rechecked.

PCKD - PCKD polycystic kidney disease.

PCL - PCL posterior cruciate ligament.

PCL - PCL primary cerebral lymphoma.

PCL - PCL primary cutaneous lymphoma.

PCLI - PCLI bone marrow plasma cell labeling index.

PCN - PCN penicillin.

PCNA - PCNA proliferating cell nuclear antigen.

PCNSL - PCNSL primary central nervous system lymphoma.

PCO - PCO polycystic ovaries.

PCO2 - PCO2 partial pressure of carbon dioxide.

PCOD - PCOD polycystic ovarian disease.

PCP - PCP phencyclidine.

PCP - PCP Pneumocystis carinii pneumonia.

PCP - PCP primary care physician.

PCR - PCR polymerase chain reaction.

PCT - PCT procalcitonin.

PCT - PCT proximal convoluted tubule.

PCU - PCU Policy Coordination Unit.

PCV - PCV packed cell volume (hematocrit).

PCWP - PCWP pulmonary capillary wedge pressure; normal range: 5 to 12 mmHg.

PD - PD Paget disease.

PD - PD partial denture.

PD - PD per diem.

PD - PD perinatal death.

PD - PD peritoneal dialysis.

PD - PD presenile dementia (Alzheimer).

PD - PD progressive disease.

PD - PD pulmonary disease.

PD50 - PD50 protective dose 50 %.

PDA - PDA patent ductus arteriosus.

PDA - PDA posterior descending artery.

PDAg - PDAg Pennsylvania Department of Agriculture.

PDAT - PDAT pre-senile dementia of Alzheimer type.

PDD - PDD pervasive developmental delay.

PDE - PDE phosphodiesterase.

PDGF - PDGF platelet derived growth factor.

PDH - PDH pigment-dispersing hormone.

PDL - PDL periodontal ligament.

PDLL-D - PDLL-D diffuse poorly-differentiated lymphocytic lymphomas.

PDLL-N - PDLL-N nodular poorly-differentiated lymphocytic lymphomas.

PDLLA - PDLLA poly DL-lactic acid.

PDMM - PDMM poorly differentiated malignant mesothelioma.

PDMS - PDMS polydimethylsiloxane.

PDOH - PDOH Pennsylvania Department of Health.

PDPC - PDPC poorly differentiated papillary carcinomas of papillary thyroid carcinomas.

PDQ - PDQ Parkinson's disease questionnaire.

PDQ - PDQ Physician's Data Query (CancerNet).

PDR - PDR Physician's Desk Reference.

PDS - PDS polydioxanone.

PDS - PDS poly-p-dioxanone or polydioxanone suture (commercial synthetic absorbable suture).

PDS - PDS Progressive Deterioration Scale.

PDT - PDT photodynamic therapy.

PDTC - PDTC pyrrolidine dithiocarbamate.

PE - PE Edinburgh Pharmacopoeia.

PE - PE Norway's electrical inspection agency.

PE - PE pancreatic extract.

PE - PE paper electrophoresis.

PE - PE partial epilepsy.

PE - PE pelvic examination.

PE - PE penile erection.

PE - PE pericardial effusion.

PE - PE peritoneal exudate.

PE - PE personal edition.

PE - PE pharyngoesophageal.

PE - PE phase encoded.

PE - PE phenylephrine.

PE - PE phenylethylamine.

PE - PE phenytoin equivalent.

PE - PE phosphatidylethanolamine.

PE - PE photographic effect.

PE - PE phycoerythrin (fluorescent dye used in flow cytometry).

PE - PE physical education.

PE - PE physical engineering.

PE - PE physical examination.

PE - PE physical exercise.

PE - PE physician extender.

PE - PE physiological ecology.

PE - PE pigmented epithelium.

PE - PE pilocarpine epinephrine.

PE - PE placental extract.

PE - PE plant engineering.

PE - PE plasma exchange.

PE - PE plating efficiencies.

PE - PE platinum etoposide.

PE - PE pleural effusion.

PE - PE point of entry.

PE - PE polyethylene.

PE - PE post-exponential (growth).

PE - PE potential energy.

PE - PE powdered extract.

PE - PE preeclampsia.

PE - PE preexcitation.

PE - PE present evaluation.

PE - PE pressure equalization.

Pe - Pe pressure on expiration.

PE - PE presumptive eligibility.

PE - PE prior to exposure.

PE - PE probable error.

PE - PE professional engineer.

PE - PE program evaluation.

PE - PE proportional error.

PE - PE pseudoexfoliation.

PE - PE Pseudomonas exotoxin.

PE - PE pulmonary edema.

PE - PE pulmonary embolus/embolism.

PE - PE pyrogenic exotoxin.

PE tube - PE tube pressure equalization tubes.

PEA - PEA pelvic examination under anesthesia.

PEA - PEA phenylethyl alcohol.

PEA - PEA phenylethylamine.

PEA - PEA polysaccharide egg antigen.

PEA - PEA pulseless electrical activity (cardiac)

PEAC - PEAC Pharmaceutical Education Advisory Committee.

PEAP - PEAP positive end airway pressure.

PEAR - PEAR phase encoded artifact reduction.

PEARL - PEARL pupils equal and reactive to light.

PEARL Personnel Expertise and Resource Listing. - PEARL Personnel Expertise and Resource Listing.

PEB - PEB cisplatin etoposide and bleomycin.

PEC - PEC peritoneal exudate cells.

PEC - PEC Petri Enteropathogen Count (plate).

PECAM-1 - PECAM-1 platelet endothelial cell adhesion molecule (CD-31).

Peds - Peds Pediatrics.

PEEK - PEEK polyetheretherketone.

PEEP - PEEP positive end-expiratory pressure.

PEFR - PEFR peak expiratory flow rate.

PEG - PEG percutaneous endoscopic gastrostomy.

PEG - PEG pneumoencephalogram.

PEG-PE - PEG-PE poly(ethylene glycol)-modified phosphatidylethanolamine.

PEL - PEL permissible exposure limit.

PEL - PEL primary effusion lymphoma.

PEM - PEM protein-energy malnutrition.

PEN - PEN parenteral nutrition.

PEP - PEP phosphoenol-pyruvate.

PEP - PEP postexposure prophylaxis.

PEP - PEP primer-extension preamplification.

PEP A - PEP A peptidase A isozyme.

PEP B - PEP B peptidase B isozyme.

PEP C - PEP C peptidase C isozyme.

PEP D - PEP D peptidase D isozyme.

pep M24 - pep M24 pepsin extract of type-24 M protein.

PEP S - PEP S peptidase S isozyme.

PEP/ET - PEP/ET preejection to ejection time.

PEPEC - PEPEC pig enteropathogenic E.coli.

PEPP - PEPP Payment Error Prevention Program.

per - per by.

PER OS - PER OS by mouth

per/os - per/os by mouth.

PerCP - PerCP peridinin chlorophyll A protein (fluorescent dye used in flow cytometry).

Peri - Peri around or about (e.g. perirenal = around the kidney).

Peri - Peri perineal.

PERLA - PERLA pupils equal reactive to light & accommodation.

PERRL - PERRL pupils equally round and reactive to light.

PERRLA - PERRLA pupils equally round and reactive to light and accommodation.

PES - PES prenatal environmental stress.

PET - PET positron emission tomography.

PET - PET psychosocially enhanced treatment program.

PETE - PETE polytetrafluoroethylene.

PF - PF Purkinje fibers.

PF4 - PF4 platelet factor 4.

PFCx - PFCx prefrontal cortex.

PFFD - PFFD proximal femoral focal deficiency (virtual support group).

PFJ - PFJ patellofemoral joint.

PFO - PFO patent foramen ovale.

PFOLA - PFOLA Prescription Foot Orthotic Laboratory Association.

PFPS - PFPS patellofemoral pain syndrom.

PFS - PFS progression free survival.

PFT - PFT pulmonary function tests.

PG - PG phosphate yeast glucose (a broth used in microbiology).

pg - pg picogram - 0.000000000001 gram.

PG - PG proteoglycan.

PG - PG pseudogout (chondrocalcinosis).

PGA - PGA polyglycolic acid.

PGC - PGC pregastricin; primordial germ cell.

PGD - PGD6- 6-phosphogluconate dehydrogenase.

PGD2 - PGD2 endoperoxide-D-isomerase.

PGE - PGE prostaglandin E.

PGE1 - PGE1 Prostaglandin E1.

PGE2 - PGE2 endoperoxide-E-isomerase.

PGF - PGF paternal grandfather.

PGF2 - PGF2 endoperoxide-F-isomerase.

PGH - PGH pituitary growth hormone.

PGI2 - PGI2 prostacyclin.

PGL - PGL persistent generalized lymphadenopathy.

PGP - PGP progressive general paralysis.

PGR - PGR progesterone receptor.

pH - pH hydrogen-ion concentration - acid / alkaline

PH - PH past history.

PH - PH plasmactytic hyperplasia.

Ph1 - Ph1 Philadelphia chromosome.

PHA - PHA phytohemagglutinin.

PhD - PhD Doctor in Philosophy.

Phe - Phe phenylalanine.

PHI - PHI peptide histidine isoleucine.

PHM - PHM peptide histidine methionine.

PHN - PHN (phenyl)hydroxy-naftopidil.

PHN - PHN headphone.

pHn - pHn nutrient pH.

PHN - PHN papillary Hurthle cell neoplasms.

PHN - PHN paraventricular hypothalamic nucleus.

PHN - PHN passive Heymann nephritis.

PHN - PHN pelvic hematoma necessitans.

PHN - PHN perihypoglossal nucleus.

PHN - PHN periventricularis hypothalami.

pHn - pHn pH values measured by NMR.

PHN - PHN phenacetin.

PHN - PHN phenanthrene.

Phn - Phn phenazinium.

PHN - PHN phentolamine.

PHN - PHN phenylephrine.

PHN - PHN phenylisothiocyanate.

PhN - PhN phenylnitrene.

pHn - pHn photoreceptors.

PhN - PhN phrenic nerve.

PHN - PHN p-hydroxynefazodone.

PHN - PHN p-hydroxynorephedrine.

PHn - PHn pleckstrin homology.

PHN - PHN poly-3-hydroxynonanoate.

PHN - PHN portal hypertension.

PHN - PHN post-herpetic neuralgia.

PHN - PHN preferred Health Network.

PHN - PHN Public Health Nursing.

PHN - PHN Public Health Nutrition.

PHN - PHN pulmonary hypertension.

PhN - PhN pharyngeal branch of the vagus nerve.

PHNs - PHNs public health nurses.

Photo DSC - Photo DSC photo differential scanning calorimeter.

PHPT - PHPT primary hyperparathyroidism.

PHPV - PHPV poly(-3-hydroxy-5-phenylvalerate.

PHS - PHS phenytoin hypersensitivity syndrome

PHSC - PHSC pluripotential hematopoietic stem cell.

PHTLS - PHTLS prehospital trauma life support.

PHX - PHX past history.

phy - phy phytane isoprenoid.

PHYSO - PHYSO physostigmine.

PI - PI permanently implantable.

PI - PI personal injury.

PI - PI positive indices.

PI - PI present illness.

PI - PI protease inhibitor.

PI - PI pulsatility index.

PIA - PIA performance incentive award.

PIA - PIA posterior interosseous artery.

PIBIDS syndrome - PIBIDS syndrome photosensitivity ichthyosis brittle hair impaired intelligence

PIC - PIC peripherally inserted catheter.

PIC - PIC products of incomplete combustion.

PICA - PICA postero-inferior cerebellar artery.

PICC - PICC peripherally inserted central catheter.

PID - PID pelvic inflammatory disease (CDC documentation).

PiD - PiD Pick’s disease.

PID - PID prolapsed intervertebral disc.

PIE - PIE Practical Incidence Estimators.

PIE - PIE Problem-Intervention-Evaluation (system).

PIE - PIE pulmonary infiltration with eosinophilia.

PIG-A - PIG-A phosphatidylinositol glycan-class A (gene).

PIG-A - PIG-A phosphatydilinositolglycan A.

PIH - PIH pregnancy-induced hypertension.

PIH - PIH pyridoxal isonicotinoyl hydrazone.

PIL - PIL peripheral intravenous line.

PIM - PIM pre-installation maintenance.

PIN - PIN posterior interosseous nerve.

PIP - PIP proximal interpalangeal.

PIP - PIP proximal interphalangeal joint.

PIP2 - PIP2 phosphatidylinositol-45-biphosphate.

PIPC - PIPC piperacillin.

PIPJ - PIPJ proximal interpalangeal joint.

PIV - PIV peripheral intravenous (line).

PK - PK pain killer.

PKU - PKU phenylketonuria.

PL - PL posterolateral.

PLA - PLA phospholipases.

PLA - PLA polylactic acid.

PLAP - PLAP placental alkaline phosphatase.

PLF - PLF posterior lumbar fusion.

PLGA - PLGA polylactic/glycolic acid.

PLIF - PLIF posterolateral interbody fusion.

PLL - PLL prolymphocytic leukemia.

PLNs - PLNs peripheral lymph nodes.

PLO-SL - PLO-SL polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy (Nasu-Hakola syndrome).

PLR - PLR pupillary light reflex.

plt - plt paucity of lymph node T cell mutation.

PLT - PLT platelet.

PLT - PLT post-liver transplantation.

PLT - PLT primary lymphoplasmacytic lymphoma.

PLT - PLT primed lymphocyte tests.

PLT - PLT psittacosis-lymphogranuloma-trachoma group viruses.

PM - PM petit mal.

PM - PM polymyositis.

PM - PM post meridian (afternoon).

PM - PM postmitotic cells.

PM - PM postmortem.

PM - PM post-nasal.

PM&R - PM&R Physical Medicine and Rehabilitation.

PMA - PMA Pharmaceutical Manufacturers Association.

PMA - PMA positive mental attitude; progressive muscular atrophy

PMB - PMB postmenopausal bleeding.

PMBL - PMBL primary mediastinal B-cell lymphoma.

PMD - PMD private medical doctor

PMDD - PMDD premenstrual dysphoric disorder.

PMH - PMH past medical history.

PMI - PMI maxillary primary incisors.

pMI - pMI mitotic index of proliferating cell population.

PMI - PMI pacemaker implantation.

PMI - PMI pain management index.

PMI - PMI Pain Management Inventory.

PMI - PMI painless myocardial infarction.

PMI - PMI panoramic mandibular index.

PMI - PMI past medical illness.

PMI - PMI paternal meiosis I.

PMI - PMI perioperative myocardial infarction.

PMI - PMI phosphomannose isomerase.

PMI - PMI placental membrane inflammation.

PMI - PMI plasma membrane integrity.

PMI - PMI point of maximum impact

PMI - PMI pollen mitosis one.

PMI - PMI posterior myocardial infarctions.

PMI - PMI postmortem interval.

PMI - PMI power motion imaging.

PMI - PMI Pressure Management Indicator.

PMI - PMI Prevention Marketing Initiative.

pMI - pMI previous myocardial infarction.

PMI - PMI prolonged mechanical inspiration.

PMI - PMI prostate malignancy index.

PMI - PMI psoas minor muscle.

PMII - PMII paternal meiosis II.

PMK - PMK primary monkey kidney.

PML - PML promyelocytic leukemia and its gene on chromosome 15 (previously named myl).

PML - PML promyelocytic leukemia protein.

PMMA - PMMA polymethylmethacrylate.

PMN - PMN polymorphonuclear leukocytes.

PMP - PMP previous menstrual period.

PMP22 - PMP22 Peripheral myelin protein 22.

PMR - PMR protonic magnetic resonance (analysis).

PMR - PMR psychomotor retardation.

PMS - PMS premenstrual tension syndrome (late luteal phase dysphoric disorder).

PMS - PMS Profile of Mood States.

PN - PN pain.

PNA - PNA protein equivalent of total nitrogen appearance.

PNC - PNC postnecrotic liver cirrhosis.

PNC - PNC prenatal care.

PND - PND paroxysmal nocturnal dyspnea.

PND - PND postnatal day.

PNET - PNET primitive neuroectodermal tumor.

PNF - PNF proprioceptive neuromuscular facilitation.

PNH - PNH paroxysmal nocturnal hemoglobinuria.

PNI - PNI peripheral nerve injury

PNMT - PNMT phenylethanolamine-N-methyl-transferase.

PNP - PNP pooled normal plasma.

PNS - PNS peripheral nervous system.

PO - PO (per os) orally by mouth.

PO - PO post-operative.

PO - PO postovulatory.

PO sus rel - PO sus rel PO (by mouth) sustained release.

PO2 - PO2 Partial pressure of oxygen

POC - POC point-of-care.

POC - POC products of conception.

POD - POD postoperative day.

POD - POD postovulatory day.

POEMS (syndrome) - POEMS (syndrome) polyneuropathy organomegaly endocrinopathy monoclonal gammopathy

POG - POG Pediatric Oncology Group (USA).

poly - poly prefix for multiple.

polys - polys polymorphonuclear cells.

POMe - POMe median preoptic nucleus.

POME - POME persistent otitis media with effusion.

PONF - PONF Paediatric Oncology Nurses Forum (UK).

POP - POP plaster of paris.

Pop - Pop popliteus tendon.

POS - POS Piedmont Orthopaedic Society.

pos - pos positive.

POSI - POSI Paediatric Orthopaedic Society of India.

POSNA - POSNA Pediatric Orthopaedic Society of North America (AAOS Specialty Societies).

poss. - poss. possible.

post - post posterior.

post-op - post-op post-operative(ly).

postop - postop postoperative.

POTS - POTS postural orthostatic tachycardia syndrome.

POX - POX point of exit

POX - POX pulse oximetry.

PP - PP per protocol.

PP - PP Peyer's patches.

PP - PP phosphoprotein phosphatase.

PP - PP positive pressure.

pp - pp postpartum.

pp - pp postprandial.

PP - PP presenting problem.

PP - PP private physician.

PP&A - PP&A palpation percussion and auscultation

PPA - PPA primary progressive aphasia.

PPARalpha - PPARalpha peroxisome proliferator activated receptor-alpha.

PPD - PPD packs per day.

PPD - PPD permanent partial disability.

PPD - PPD purified protein derivative (of tuberculin).

PPE - PPE personal protective equipment.

PPG - PPG peristomal pyoderma gangrenosum.

PPG - PPG portosystemic pressure gradient.

PPH - PPH past pertinent history.

PPH - PPH post-partum hemorrhage

PPH - PPH primary pulmonary hypertension.

PPHN - PPHN persistent pulmonary hypertension of the newborn.

PPLO - PPLO pleuropneumonia-like organisms.

ppm - ppm parts per million.

PPMC - PPMC physician practice management companies.

PPMS - PPMS primary progressive multiple sclerosis.

PPND - PPND pallido-ponto-nigral degeneration.

PPP - PPP pregnancy-prevention program.

PPPE - PPPE persistent pigmented purpuric eruption.

PPS - PPS pachyman polysaccharides.

PPS - PPS pelvic pain syndrome.

PPS - PPS pentosan polysulfate.

PPS - PPS peripheral pulmonic stenosis.

PPs - PPs peroxisome proliferators.

PPS - PPS Personal Preference Scale.

PPs - PPs Peyer's patches.

pps - pps phosphoenolpyruvate synthase gene.

PPs - PPs phosphoprotein phosphatases.

PPS - PPS physician patient and society.

PPS - PPS plasminogen-plasmin system.

PPS - PPS polyvalent pneumococcal polysaccharide.

PPS - PPS poor progesterone surge (cycles).

PPS - PPS popliteal pterygium syndrome.

PPS - PPS postpartum psychiatric syndromes.

PPS - PPS postpartum sterilization.

PPS - PPS postperfusion syndrome.

PPS - PPS postpericardiotomy syndrome.

PPS - PPS post-polio syndrome.

PPS - PPS postpump syndrome.

PPS - PPS potentiating paired stimulation.

PPS - PPS prenatal psychological stress.

PPS - PPS preputial separation.

PPS - PPS primary acquired preleukemic syndrome.

PPS - PPS professional practice standards.

PPS - PPS prospective payment system.

PPS - PPS prospective pricing system.

PPS - PPS protein plasma substitute.

PPS - PPS pulse per second.

PPS/PCO - PPS/PCO pelvic pain syndrome/polycystic ovaries

PPSH - PPSH pseudovaginal perineoscrotal hypopospadias.

ppt - ppt part per trillion.

PPT - PPT Physical Performance Test.

PPT - PPT plasma pregnancy test.

PPT - PPT postpartum thyroiditis.

PPT-B - PPT-B Preprotachykinin B.

PPV - PPV positive predicitive value.

PR - PR partial response / partial remission.

PR - PR perirenal (adipose tissue).

PR - PR progress record.

PR - PR pulse rate.

PR3 - PR3 proteinase 3.

PRA - PRA plasma/peripheral renin activity.

PRAMS - PRAMS Pregnancy Risk Assessment Monitoring System.

PRAS - PRAS prereduced anaerobically sterilized (media).

PRBC - PRBC packed red blood cells.

PRC - PRC proximal row carpectomy.

PRCA - PRCA pure red cell aplasia.

PRE - PRE progressive resistance exercises.

pre-op - pre-op pre-operative(ly).

preop - preop preoperative.

prep - prep prepare as.

Pri - Pri isopropanol.

PRI - PRI PACAP receptor I.

PRI - PRI Pain Rating Index.

PRI - PRI pain rating index.

PRI - PRI patient review instrument.

PRI - PRI Pediatric Risk Index.

PRI - PRI performance rating instrument.

PRI - PRI perinatal respiratory insufficiency.

PRI - PRI Pharyngeal Retention Index.

PRI - PRI phenol red impurity.

PRI - PRI phosphate reabsorption index.

PRI - PRI phosphoribose isomerase.

PRI - PRI phosrestin I.

PRI - PRI photochemical reflectance index.

PRI - PRI placental ribonuclease inhibitor.

PRI - PRI placental RNase inhibitor.

PRI - PRI platelet reactivity index.

PRI - PRI point of respiratory inversion.

PRI - PRI post recurrence induction.

PRI - PRI postpartum resumption interval.

PRI - PRI post-radiosurgical imaging.

PRI - PRI post-remission intensification.

PRI - PRI power ratio index.

PrI - PrI preinoculation.

PRI - PRI premarital residential independence.

PRI - PRI pre-response interval.

PRI - PRI preservation-reperfusion injury.

PRI - PRI pressure relief index.

Pri - Pri primary.

PRI - PRI primates.

PRI - PRI primidone.

PRI - PRI prinedil

pri - pri pristane isoprenoid.

PRI - PRI Pristinamycin.

PRI - PRI ProFile Ni-Ti rotary instruments.

PRI - PRI progressive renal insufficiency.

PRI - PRI proliferation rate index.

PRI - PRI protease inhibitors.

PRI - PRI protein intake.

PRI - PRI proximal promoter region I.

PRI - PRI Psychopathy Resemblance Index.

pRi - pRi root-inducing plasmids.

PRI(S) - PRI(S) pain rating intensity score.

PRI-100 - PRI-100 Personal Reaction Inventory.

PRIAS - PRIAS Packard Radioimmunoassay System.

PRICE - PRICE protection relative rest ice compression

PRICEMM - PRICEMM protection relative rest ice compression

PRICES - PRICES physician modalities rehabilitation injections cross training

PRICES - PRICES protection rest ice compression

PRIDE - PRIDE Parents Resource Institute for Drug Education.

PRIH - PRIH prolactin release inhibiting hormone.

PRII - PRII proximal promoter region II.

PRIM - PRIM primase.

PRIM&R - PRIM&R Public Responsibility in Medicine & Research.

PRIME - PRIME plankton reactivity in the marine environment.

PRIME-MD - PRIME-MD Primary Care Evaluation of Mental Disorders.

PRIMEX - PRIMEX primary care extender.

Primip - Primip primipara/primiparity.

PRIMOS - PRIMOS prime operating system.

PRINCE - PRINCE projects in controlled environments (UK).

PRIND - PRIND prolonged reversible ischemic neurologic deficit.

PRION - PRION proteinaceous infectious particle.

PRIST - PRIST paper radioimmunosorbent test

Prl - Prl prolactin.

prn - prn pro re nata - as required as needed.

Pro - Pro proline.

Pro time - Pro time prothrombin time.

PROM - PROM passive range of motion.

PROM - PROM premature rupture of membranes.

ProMACE-CytaBOM - ProMACE-CytaBOM prednisone methotrexate doxorubicin cyclophosphamide

prot - prot protocol.

PRP - PRP penicillase-resistant penicillin.

PRP - PRP pityriasis rubra pilaris.

PrP - PrP prion protein.

PRRE - PRRE pupils round regular and equal. decreased fertility and short stature.

Prss14 - Prss14 protease serine14 a gene.

PRT - PRT patient refused test.

PRUJ - PRUJ proximal radioulnar joint.

PRUL - PRUL proximal radioulnar ligament.

PS - PS parasegment.

PS - PS paraspinous.

PS - PS pathologic stage.

PS - PS physical status.

PS - PS present symptoms.

PSA - PSA prostate-specific antigen.

PSC - PSC primary sclerosing cholangitis.

PSCR - PSCR peripheral stem cell rescue.

PSCT - PSCT peripheral stem cell transplant.

PSD - PSD passive sampling devices.

PSEF - PSEF Plastic Surgery Educational Foundation.

PSF - PSF peak scatter factor.

PSF - PSF posterior spinal fusion.

PSF - PSF post-sophomore fellow.

PSG - PSG progressive subcortical gliosis.

PSGN - PSGN post streptococcal glomerulonephritis.

psi - psi pounds per square inch.

PSIS - PSIS posterior superior iliac spine.

PSP - PSP phenylsulfonphthalein test.

PSP - PSP posterior spinous process.

PSS - PSS Perceived Stress Scale.

PSSV - PSSV pre-study site visit.

PST - PST palmar skin temperature.

PST - PST paroxysmal supraventricular tachycardia.

Pst - Pst phosphate-specific transporter.

pST - pST porcine somatotropin

PST - PST problem-solving therapy

PST - PST proximal straight tubule.

PST - PST proximal straight tubules

PST - PST pulse separation time

PSTH - PSTH poststimulus time histograms.

PSTT - PSTT placental site trophoblastic tumor.

PSUR - PSUR periodic safety update report.

PSV - PSV peak systolic velocity.

PSVT - PSVT paroxysmal supraventricular tachycardia.

PsyD - PsyD Doctor in Psychiatry.

PT - PT patient.

PT - PT permanent and total.

PT - PT physical therapy.

PT - PT pneumothorax.

PT - PT prothrombin time.

pt. - pt. patient pint.

PTA - PTA percutaneous transluminal angioplasty.

PTA - PTA phosphotungstic acid.

PTA - PTA prior to admission/arrival.

PTA Medication - PTA Medication prior to admission medication.

PTAH - PTAH phosphotungstic acid hematoxylin.

PTC - PTC percutaneous transhepatic cholangiography.

PTCA - PTCA percutaneous transluminal coronary angioplasty.

PTD - PTD permanent total disability.

PTFE - PTFE polytetrafluoroethylene.

PTGC - PTGC progressively transformed germinal centers.

PTH - PTH parathyroid hormone.

PTH - PTH phenylthiohydantoin.

PTHc - PTHc C-terminal parathyroid hormone.

PTHC - PTHC percutaneous transhepatic cholangiography.

PTHC - PTHC posttransfusion hepatitis C.

PTHrP - PTHrP parathyroid hormone-related peptide.

PTK - PTK protein tyrosine kinases.

PTLD - PTLD post-transplant lymphoproliferative disorder.

PTMC - PTMC Percutaneous transvenous mitral commissurotomy.

PTMR - PTMR percutaneous transmyocardial revascularization.

PTO - PTO portal triad occlusion.

PTP - PTP Professional Team Physicians.

PTR - PTR patellar tendon reflex

PTS - PTS phosphotransferase system.

PTSD - PTSD Post-Traumatic Stress Disorder (National Center for PTSD).

PTT - PTT partial thromboplastin time.

PTU - PTU propylthiourcil (antithyroid drug).

PTW - PTW Play-the-Winner.

PTX - PTX pneumothorax.

PU - PU polyurethane.

PU - PU pregnancy urine.

PUCP - PUCP maximum urethral closure pressure.

PUD - PUD peptic ulcer disease.

PUD - PUD peri-urethral diathermy (associated with superficial bladder cancer).

PUD - PUD pulmonary disease.

PUFA - PUFA polyunsaturated fatty acids.

pulv - pulv powder.

Pulv - Pulv pulvinar.

PuLv - PuLv ventral part of the lateral pulvinar.

Pulv-LP - Pulv-LP pulvinar-posterior-lateral complex.

PuM - PuM medial pulvinar.

PUPPP - PUPPP pruritic urticarial papules and plaques of pregnancy.

PV - PV paravertebral.

PV - PV polycythemia vera.

PV bleed - PV bleed per vagina bleed.

PVA - PVA polyvinyl alcohol fixative.

PVASI - PVASI pelvic vascular injury.

PVB - PVB paravertebral block.

PVB - PVB premature ventricular beat.

PVB19 - PVB19 parvovirus B19.

PVC - PVC premature ventricular contraction.

PVC - PVC pulmonary venous congestion.

PVD - PVD peripheral vascular disease.

PVD - PVD pre-senile vascular dementia.

PVNS - PVNS pigmented villonodular synovitis.

PvO2 - PvO2 mixed venous oxygen tension.

PVR - PVR post-void residual.

PVR - PVR pulmonary vascular resistance.

PVR - PVR pulse volume recorder.

PVST - PVST paraventriculospinal tract.

PVST - PVST paroxysmal supraventricular tachycardia.

PVT - PVT paroxysmal ventricular tachycardia.

PVT - PVT peripheral vein thrombophlebitis.

PVT - PVT periprostatic vein thrombosis.

PVT - PVT polymorphic ventricular tachycardia.

PVT - PVT popliteal vein transplant.

PVT - PVT portal vein thrombosis.

pvt-1 - pvt-1 plasmacytoma variant translocation-1 gene (on chromosome 15). and skin lesions.

PWB - PWB partial weight bearing.

PWP - PWP pulmonary wedge pressure.

PWS - PWS Prader-Willi syndrome.

PX - PX papular xanthoma.

PX - PX physical examination.

PX - PX prescription.

PX - PX prognosis.

PXE - PXE pseudoxanthoma elasticum.

PZI - PZI protamine zinc insulin - a long acting insulin.