Dictionary of Medical Acronyms & Abbreviations

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[ P ]

P₁ | P₂ | P₃ | P₄ | P₅ | P₆ | P₇ | P₈ | P₉ | P₁₀ | P₁₁ |

P&R pelvic and rectal [examination]; pulse and respiration
Pr in prone position; praseodymium; prednisolone; presbyopia; primary; prism; production, productivity; production rate [of steroid hormones]; prolactin; propyl
pr far point of accommodation [Lat. punctum remotum]; pair; per rectum; prism
PRA panel-reactive antibody; patient record architecture; percent reactive antibody; phosphoribosylamine; physician recognition award; plasma renin activity; progesterone receptor assay; proximal reference axis [imaging]
prac, pract practice, practitioner
PRACTICAL Placebo-Controlled Randomized ACE Inhibition Comparative Trial in Cardiac Infarction and Left Ventricular Function
PRAGMATIC pregnancy, rheumatoid arthritis, acromegaly, glucose metabolism disorders, mechanical injury, amyloid, thyroid disease, infectious disease, crystals in gout or pseudogout [disorders associated with carpal tunnel syndrome]
PRAGUE Primary Angioplasty After Transfer of Patients from General Community Hospitals to Catheterization Units with or without Emergency Thrombolytic Infusion [study]
PrA-HPA protein A hemolytic plaque assay
PRAI pattern recognition and artificial intelligence
PRAISE Prospective Randomized Amlodipine Survival Evaluation
PRAMS pregnancy risk assessment monitoring system
PRANN prediction recurrent artificial neural network
PRAS pre-reduced anaerobically sterilized [medium]; pseudo-renal artery syndrome
PRB basic proline-rich protein; Prosthetics Research Board
pRB, pRb retinoblastoma protein
PRBC packed red blood cells; placental residual blood volume
pRB-P phosphorylated form of retinoblastoma protein
PRBS pseudorandom binary sequence
PRBV placental residual blood volume
PRC packed red cells; peer review committee; phase response curve; plasma renin concentration; professional review committee
PRCA pure red cell aplasia
pRCA posterior right coronary artery
PRCCT prospective randomized controlled clinical trial
PRCF peak response coarse frequency
PRCG Polak-Ribiere conjugate gradient [algorithm]
PRCoV porcine respiratory coronavirus
PRCV porcine respiratory coronavirus
PRD partial reaction of degeneration; patient reference dosier; physician relations department; Pitt-Rogers-Danks [syndrome]; postradiation dysplasia
PRDP Provincial Resource Directory Project [Canada]
PRDS Pitt-Rogers-Danks syndrome
PRE photoreacting enzyme; physician's report of examination; pigmented retinal epithelium; preliminary evaluation; preplacement examination; progressive resistive exercise; prospective randomized evaluation; proton relaxation enhancement
pre preliminary; preparation or prepare; pretreatment
pre-AIDS pre-acquired immune deficiency syndrome
pre-amp preliminary amplifier
PRECEDE predisposing, reinforcing, and enabling causes in educational diagnosis and evaluation [model]
precip precipitate, precipitated, precipitation
PRECISE Prospective Randomized Evaluation of Carvedilol in Symptoms and Exercise [trial]
PRED prednisone
PREDICT Prospective Randomized Evaluation of Diltiazem CD Trial
PREFACE Pravastatin-Related Effects Following Angioplasty on Coronary Endothelium [study]
prefd preferred
PREFER patient randomization to either femoral or radial catheterization
preg, pregn pregnancy, pregnant
prelim preliminary
prem premature, prematurity
PreMACE prednisone, methotrexate, Adriamycin, cyclophosphamide, etoposide
PREMIS Prehospital Myocardial Infarction Study
pre-mRNA precursor messenger ribonucleic acid
preop, pre-op preoperative
PREP pattern reversal electrical potential; Physician Review and Enhancement Program
prep, prepd prepare, prepared
Pres resistive pressure
PRESEP Pediatric Rural Emergency System and Education Project
preserv preserve, preserved, preservation
PRESERVE Prospective Randomized Enalapril Study Evaluating Regression of Ventricular Enlargement
PRESS Percutaneous Retroperitoneal Spleno-renal Shunt [study]; point-resolved spectroscopy
press pressure
PREV Pretoria virus
prev prevention, preventive; previous
PREVENT Program in Ex Vivo Vein Graft Engineering via Transfection; Proliferation Reduction Using Vascular Energy Trial; Prospective Randomized Evaluation of the Vascular Effects of Norvasc Trial
PREVMEDU preventive medicine unit
PREZ posterior root entry zone
PRF partial reinforcement; patient report form; peak repetition frequency; perforin; plasma recognition factor; pontine reticular formation; postrepetition frequency [Doppler]; progressive renal failure; prolactin releasing factor; pulse repetition frequency
pRF polyclonal rheumatoid factor
PRFF,TRFF peak [through] response fine frequency
PRFLE Prospective Randomized Flosequinan Longevity Evaluation
PRFM premature rupture of fetal membranes
PRG phleborheography; purge
PRGS phosphoribosylglycineamide synthetase
PRH past relevant history; postrepetition frequency [Doppler]; prolactin releasing hormone
PrH propositus hypoglossi
PRHCIT The Project for Rural Health Communication and Information Technologies [Australia]
PRHHP Puerto Rico Heart Health Program
PRI Pain Rating Index; patient review instrument; phosphate reabsorption index; phosphoribose isomerase; placental ribonuclease inhibitor
P-RIA polyclonal radioimmunoassay
PRIAS Packard radioimmunoassay system
PRICE protection, relative rest, ice, compression, elevation
PRICEMM protection, relative rest, ice, compression, elevation, modalities, medication
PRICES protection, rest, ice, compression, elevation, support [primary treatment of tendinitis and overuse injury]; physician modalities, rehabilitation, injections, cross-training, evaluation, salicylates [secondary treatment of tendinitis and overuse injury]
PRIDE Parents Resource Institute for Drug Education; Platelet Aggregation and Receptor Occupancy with Integrilin-A Dynamic Evaluation [study]; Primary Implantable Defibrillator [study]
PRIH prolactin release-inhibiting hormone
PRIM primase
PRIMA Primary Care Information Across Anglia
PRIME preinversion multiecho; Prematriculation Program in Medical Education; Promotion of Reperfusion by Inhibition of Thrombin During Myocardial Infarction Evaluation [study]; Promotion of Reperfusion in Myocardial Infarction Evolution [study]; Prospective Randomized Ibopamine Mortality Evaluation [study]; Prospective Randomized Study of Ibopamine on Mortality and Efficacy in Heart Failure
PRIME-MD Primary Care Evaluation of Mental Disorders
PRIMEROSE probabilistic rule based on rough sets
PRIMEX primary care extender
PRIMI Prourokinase in Myocardial Infarction [trial]
primip primipara
PRINCE prevention of radiocontrast-induced nephropathy evaluation
PRIND prolonged reversible ischemic neurologic deficit
PRINS primed in situ [labeling]
PRI(S) pain rating intensity score
PRISAM Primary Stenting for Acute Myocardial Infarction [trial]
PRISE Primary Care Sharing the Evidence [UK]
PRISM pediatric risk of mortality; Platelet Receptor Inhibition in Ischemic Syndrome Management [study]
PRISM-PLUS Platelet Receptor Inhibition in Ischemic Syndrome Management in Patients Limited by Unstable Signs and Symptoms [study]
PRISMS Prevention of Relapses and Disability by Interferon Beta-1a Subcutaneously in Multiple Sclerosis [study]
PRIST paper radioimmunosorbent test
PRISTINE Praxilene in Stroke Treatment in Northern Europe [study]
PRK photorefractive keratectomy; primary rabbit kidney
PRKAR protein kinase, cyclic adenosine monophosphate-dependent, regulatory
PRKAR1A protein kinase, cyclic adenosine monophosphate-dependent, regulatory, type 1 alpha
PRKC protein kinase C
PRKCA protein kinase C alpha
PRL, Prl prolactin
PRLR prolactin receptor
PRM phosphoribomutase; photoreceptor membrane; premature rupture of membranes; Primary Reference Material; primidone; protamine
PrM preventive medicine
PRMS percent root mean square
PRMSE percent root mean square error
PRN pertactin; Physicians Research Network; polyradiculoneuropathy; prion; protectin
p.r.n. as needed [Lat. pro re nata]
PRNP prion protein
PRNT plaque reduction neutralization test
PRO peer review organization; physician review organization; Professional Review Organization; pronation; protein
Pro proline; prophylactic; prothrombin
pro protein
PROACT Prolyse in Acute Cerebral Thrombolysis Trial; Prourokinase in Acute Cerebral Thromboembolism [trial]; Prourokinase in Acute Thromboembolic Stroke [trial]
ProACT professionally advanced care team
prob probable
PROBE Prospective, Randomized, Open Blinded Endpoint Trial; Prospective, Randomized, Open Trial with Blinded Endpoint Evaluation
PROC protein C
proc proceedings, procedure; process
PROCAM Prospective Cardiovascular Münster Study
PROC GLM general linear model procedure
proct, procto proctology, proctologist; proctoscopy
prod production, product
PROFET Prevention of Falls in the Elderly Trial
prog progress, progressive
progn prognosis
PROGRESS Perindopril Protection Against Recurrent Stroke Study
proGRP pro-gastrin-releasing peptide
PROH propyl-4-hydrolase
PROHB propyl-4-hydrolase, beta
PROLOG Precursor to EPILOG [study]; programming in logic
prolong prolongation, prolonged
PROM passive range of motion; premature rupture of fetal membranes; prolonged rupture of fetal membranes; programmable read only memory; prosthetic range of motion
PROMIS Problem-Oriented Medical Information System
PROMISE Prospective Randomized Milrinone Survival Evaluation [study]
PROMPTOR-FM probabilistic method of prompting for test ordering in family medicine
pron pronator, pronation
PROP propranolol
ProPAC Prospective Payment Assessment Commission
PRO-PBP pro-platelet basic protein
proph prophylactic, prophylaxis
ProPO prophenoloxidase
ProRS propyl transfer ribonucleic acid synthase [RNAse]
PROS Pediatric Research in Office Settings [network]; protein S
pros prostate, prostatic
PROSIT proteinuria screening and intervention
PROSP protein S pseudogene
PROSPECT Proscar Safety Plus Efficacy Canadian Two-Year Study
PROSPER Prospective Study of Pravastatin in the Elderly at Risk
PROST pronuclear stage transfer
PROSTATE Physicians for Rational Ordering and Screening Tests and Therapeutic Effectiveness
prosth prosthesis, prosthetic
PROTECT Perindopril Regression of Vascular Thickening European Community Trial; Prospective Reinfarction in the Thrombolytic Era: Cardizem-CD Trial
PROTO protoporphyrin; protoporphyrinogen
pro-u-PA proenzyme urokinase plasminogen activator
prov provisional
PROVED Prospective Randomized Study of Ventricular Failure and the Efficacy of Digoxin
PROW Protein Review on the Web
prox proximal
PRP photolyase regulatory protein; physiologic rest position; pityriasis rubra pilaris; platelet-rich plasma; polyribosyl ribitol phosphate; postural rest position; pressure rate product; primary Raynaud phenomenon; progressive rubella panencephalitis; proliferative retinopathy photocoagulation; proline-rich protein; Psychotic Reaction Profile; pulse repetition period
PrP, Prp prion protein
PRPH peripherin
PRPP phosphoribosylpyrophosphate
PRPS prostatic secretory protein
PRP,TRP peak [through] response phase
PRQ personal resources questionnaire
PRR pattern recognition receptor; proton relaxation rate; pulse repetition rate
PrR progesterone receptor
PRRB Provider Reimbursement Review Board
PRRE pupils round, regular, and equal
PRRF paramedian pontine reticular formation
PR-RSV Prague Rous sarcoma virus
PRS Personality Rating Scale; Pierre Robin syndrome; plasma renin substrate; Prieto syndrome; proctorectosigmoidoscopy
PRSIS Prospective Rate Setting Information System
PRT patient record tree; Penicillium roqueforti toxin; pharmaceutical research and testing; phosphoribosyl transferase; pivot repeatability test; postoperative respiratory therapy; prospective randomized trial
PrT protein truncation [test]
PRTD proximal renal tubular dysfunction
PRTH pituitary resistance to thyroid hormone
PRTH-C prothrombin time control
PRTN proteinase
PRTS Partington syndrome
PRU peripheral resistance unit
PRUJ proximal radioulnar joint
PRV Paroo River virus; planning organ at risk volume [imaging]; polycythemia rubra vera; pseudorabies virus; posterior right ventricle; python orthoreovirus
PRVC pressure-regulated volume control [respiration]
PRVEP pattern reversal visual evoked potential
PRW polymerized ragweed
PRX pseudoexfoliation
Prx prognosis
prx proximal
PRZF pyrazofurin
PS pacemaker syndrome; pain stimulation; paired stimulation; pancreozymin secretin; paradoxical sleep; paralaryngeal space; paranoid schizophrenia; paraspinal; parasympathetic; Parkinson syndrome; parotid sialography; partial saturation; partial seizure; pathological stage; patient's serum; pediatric site [database, Italy]; pediatric surgery; performing scale [intelligence quotient, IQ]; performance status; periodic syndrome; pferdestärke (German for horsepower); phosphate saline [buffer]; phosphatidyl serine; photosensitivity, photosensitization; photosynthesis; phrenic stimulation; physical status; physiologic saline; phytosterol; pixel size; plastic surgery; polysaccharide; polystyrene; population sample; population spike; Porter-Silber [chromogen]; postcardiotomy shock; posterior synechiae or synechiotomy; posteroseptal; postmaturity syndrome; prescription; precursor state; presenilin; presenting symptom; pressure sore; pressure support; prestimulus; procedural sedation; programmed symbol; prostatic secretion; protamine sulfate; proteasome; protein S; protein synthesis; Proteus syndrome; P selectin; psychiatric; pulmonary sequestration; pulmonary stenosis; pulse sequence; pyloric stenosis
P&S paracentesis and suction
P/S polisher-stimulator; polyunsaturated/ saturated [fatty acid ratio]