<Li> Abbreviations for medical organisations and personnel </Li> <Li> Abbreviations for diseases and disorders </Li> <Table> Sortable table <Tr> <Th> Abbreviation </Th> <Th> Meaning </Th> </Tr> <Tr> <Td> p </Td> <Td> after (from Latin post) (letter p with a bar over it) </Td> </Tr> <Tr> <Td> </Td> <Td> parturition (total number of live births) phosphorus pulse post </Td> </Tr> <Tr> <Td> </Td> <Td> plasma osmolality </Td> </Tr> <Tr> <Td> PA </Td> <Td> posterior--anterior, posteroanterior pulmonary artery physician assistant psoriatic arthritis primary aldosteronism </Td> </Tr> <Tr> <Td> P&A </Td> <Td> percussion and auscultation phenol and alcohol matrixectomy </Td> </Tr> <Tr> <Td> PAC </Td> <Td> premature atrial contraction pulmonary artery catheter, pulmonary artery catheterisation </Td> </Tr> <Tr> <Td> PACU </Td> <Td> Post-Anesthesia Care Unit </Td> </Tr> <Tr> <Td> PAD </Td> <Td> peripheral artery disease (aka peripheral artery occlusive disease) postadmission day (e.g. PAD 6 equals the sixth day of being in hospital) peripheral airspace disease Passively Acquired anti-D </Td> </Tr> <Tr> <Td> PAF </Td> <Td> platelet activating factor paroxysmal atrial fibrillation (meaning intermittent AF) </Td> </Tr> <Tr> <Td> PAH </Td> <Td> pulmonary arterial hypertension phenylalanine hydroxylase </Td> </Tr> <Tr> <Td> PAI - 1 </Td> <Td> plasminogen activator inhibitor 1 </Td> </Tr> <Tr> <Td> PAL </Td> <Td> posterior axillary line </Td> </Tr> <Tr> <Td> PALS </Td> <Td> Pediatric Advanced Life Support (training program) </Td> </Tr> <Tr> <Td> PAN </Td> <Td> polyarteritis nodosa </Td> </Tr> <Tr> <Td> PAO </Td> <Td> peak acid output </Td> </Tr> <Tr> <Td> PAOD </Td> <Td> peripheral artery occlusive disease </Td> </Tr> <Tr> <Td> PAP </Td> <Td> Papanicolaou stain positive airway pressure pulmonary artery pressure (see pulmonary hypertension) pulmonary alveolar proteinosis </Td> </Tr> <Tr> <Td> Pap </Td> <Td> Papanicolaou test (pap smear) </Td> </Tr> <Tr> <Td> PAPP - A </Td> <Td> pregnancy - associated plasma protein A </Td> </Tr> <Tr> <Td> PARA I </Td> <Td> indicating a woman with one child (partus = birth) </Td> </Tr> <Tr> <Td> PARA II </Td> <Td> indicating a woman with two children (partus = birth) </Td> </Tr> <Tr> <Td> PASP </Td> <Td> Pulmonary artery systolic pressure </Td> </Tr> <Tr> <Td> PAT </Td> <Td> paroxysmal atrial tachycardia </Td> </Tr> <Tr> <Td> PBC </Td> <Td> primary biliary cirrhosis </Td> </Tr> <Tr> <Td> PBX </Td> <Td> probiotics </Td> </Tr> <Tr> <Td> PBF </Td> <Td> peripheral blood film </Td> </Tr> <Tr> <Td> p.c. </Td> <Td> after food (from Latin post cibum) after meals </Td> </Tr> <Tr> <Td> PCA </Td> <Td> patient - controlled analgesia </Td> </Tr> <Tr> <Td> PCa </Td> <Td> prostate cancer </Td> </Tr> <Tr> <Td> PCD </Td> <Td> postconcussional disorder primary ciliary dyskinesia </Td> </Tr> <Tr> <Td> PCI </Td> <Td> percutaneous coronary intervention </Td> </Tr> <Tr> <Td> PCIOL </Td> <Td> posterior chamber intraocular lens </Td> </Tr> <Tr> <Td> PCL </Td> <Td> posterior cruciate ligament </Td> </Tr> <Tr> <Td> PCN </Td> <Td> penicillin </Td> </Tr> <Tr> <Td> PCNSL </Td> <Td> primary CNS (central nervous system) lymphoma </Td> </Tr> <Tr> <Td> PCO </Td> <Td> polycystic ovary (see polycystic ovarian syndrome) </Td> </Tr> <Tr> <Td> PCOS </Td> <Td> polycystic ovarian syndrome </Td> </Tr> <Tr> <Td> PCP </Td> <Td> Pneumocystis carinii pneumonia (now called Pneumocystis pneumonia) primary care physician (also called primary care provider) </Td> </Tr> <Tr> <Td> PCR </Td> <Td> patient care report polymerase chain reaction </Td> </Tr> <Tr> <Td> PCS </Td> <Td> post-concussion syndrome </Td> </Tr> <Tr> <Td> PCT </Td> <Td> progesterone challenge test </Td> </Tr> <Tr> <Td> PCV </Td> <Td> packed cell volume (see hematocrit) polycythemia vera </Td> </Tr> <Tr> <Td> PCWP </Td> <Td> pulmonary capillary wedge pressure </Td> </Tr> <Tr> <Td> PD </Td> <Td> Parkinson's disease peritoneal dialysis physical diagnosis personality disorder program director </Td> </Tr> <Tr> <Td> PDA </Td> <Td> patent ductus arteriosus posterior descending artery </Td> </Tr> <Tr> <Td> PDD </Td> <Td> premenstrual dysphoric disorder </Td> </Tr> <Tr> <Td> PDE </Td> <Td> phosphodiesterase </Td> </Tr> <Tr> <Td> PDGF </Td> <Td> platelet - derived growth factor </Td> </Tr> <Tr> <Td> PDR </Td> <Td> Physicians' Desk Reference ((Profilarative Diabetic Retinopathy)) </Td> </Tr> <Tr> <Td> PDT </Td> <Td> photodynamic therapy </Td> </Tr> <Tr> <Td> PDVT </Td> <Td> postoperative deep - vein thrombosis </Td> </Tr> <Tr> <Td> PE </Td> <Td> pulmonary embolism pre-eclampsia physical examination </Td> </Tr> <Tr> <Td> PEA </Td> <Td> pulseless electrical activity </Td> </Tr> <Tr> <Td> PEARL </Td> <Td> pupils equal and reactive to light </Td> </Tr> <Tr> <Td> PEB </Td> <Td> cisplatin, etoposide, and bleomycin (chemotherapy regimen) </Td> </Tr> <Tr> <Td> PEEP </Td> <Td> positive end expiratory pressure </Td> </Tr> <Tr> <Td> PEF </Td> <Td> peak expiratory flow </Td> </Tr> <Tr> <Td> PEFR </Td> <Td> peak expiratory flow rate </Td> </Tr> <Tr> <Td> PEG </Td> <Td> percutaneous endoscopic gastrostomy </Td> </Tr> <Tr> <Td> PEM </Td> <Td> protein / energy malnutrition (aka Kwashiorkor) </Td> </Tr> <Tr> <Td> pen </Td> <Td> penicillin (Best practice is to avoid drug name abbreviations) </Td> </Tr> <Tr> <Td> PEP </Td> <Td> Post-exposure prophylaxis </Td> </Tr> <Tr> <Td> PERM </Td> <Td> Progressive Encephalomyelitis with Rigidity and Myoclonus </Td> </Tr> <Tr> <Td> PERRL </Td> <Td> pupils equal, round, reactive to light </Td> </Tr> <Tr> <Td> PERLA </Td> <Td> pupils equal and reactive to light and accommodation </Td> </Tr> <Tr> <Td> PERRLA </Td> <Td> pupils equal, round, reactive to light and accommodation </Td> </Tr> <Tr> <Td> Per Vag </Td> <Td> per vagina </Td> </Tr> <Tr> <Td> PET </Td> <Td> positron - emission tomography (cerebral metabolic scan) </Td> </Tr> <Tr> <Td> PFO </Td> <Td> patent foramen ovale </Td> </Tr> <Tr> <Td> PFT </Td> <Td> pulmonary function test (see spirometry) </Td> </Tr> <Tr> <Td> PGCS </Td> <Td> Paediatric Glasgow Coma Scale </Td> </Tr> <Tr> <Td> PH </Td> <Td> Pulmonary hypertension Past history (see also medical history) </Td> </Tr> <Tr> <Td> PH </Td> <Td> past history (see also medical history) </Td> </Tr> <Tr> <Td> PHN </Td> <Td> postherpetic neuralgia </Td> </Tr> <Tr> <Td> PHP </Td> <Td> Partial Hospitalization Program </Td> </Tr> <Tr> <Td> PHQ </Td> <Td> Patient Health Questionnaire </Td> </Tr> <Tr> <Td> PHTLS </Td> <Td> prehospital trauma life support </Td> </Tr> <Tr> <Td> PI </Td> <Td> present illness </Td> </Tr> <Tr> <Td> PICC </Td> <Td> peripherally inserted central catheter </Td> </Tr> <Tr> <Td> PID </Td> <Td> pelvic inflammatory disease prolapsed intervertibral disc </Td> </Tr> <Tr> <Td> PIG - A </Td> <Td> phosphatidyl inositol glycan A </Td> </Tr> <Tr> <Td> PIH </Td> <Td> pregnancy induced hypertension </Td> </Tr> <Tr> <Td> PIP </Td> <Td> proximal interphalangeal joint </Td> </Tr> <Tr> <Td> PJS </Td> <Td> Peutz - Jeghers syndrome </Td> </Tr> <Tr> <Td> PK </Td> <Td> protein kinase </Td> </Tr> <Tr> <Td> PKA </Td> <Td> protein kinase A </Td> </Tr> <Tr> <Td> PKD </Td> <Td> polycystic kidney disease </Td> </Tr> <Tr> <Td> PKP </Td> <Td> Penetrating Keratoplasty </Td> </Tr> <Tr> <Td> PKU </Td> <Td> phenylketonuria (PKU card--see Guthrie test) </Td> </Tr> <Tr> <Td> PLAT </Td> <Td> tissue plasminogen activator </Td> </Tr> <Tr> <Td> PLIF </Td> <Td> posterior lumbar interbody fusion (a type of spinal fusion) </Td> </Tr> <Tr> <Td> PLT </Td> <Td> platelets </Td> </Tr> <Tr> <Td> PM </Td> <Td> post meridiem (in the afternoon) </Td> </Tr> <Tr> <Td> PMB </Td> <Td> post-menopausal bleeding (bleeding after menopause) </Td> </Tr> <Tr> <Td> PMD </Td> <Td> primary medical doctor </Td> </Tr> <Tr> <Td> PMDD </Td> <Td> premenstrual dysphoric disorder </Td> </Tr> <Tr> <Td> PMH </Td> <Td> past medical history (see also medical history) perimesencephalic subarachnoid hemorrhage </Td> </Tr> <Tr> <Td> PMI </Td> <Td> point of maximal impulse or apical beat point of maximal intensity </Td> </Tr> <Tr> <Td> PML </Td> <Td> polyoma virus progressive multifocal leukoencephalopathy </Td> </Tr> <Tr> <Td> PMP </Td> <Td> Pseudomyxoma peritonei </Td> </Tr> <Tr> <Td> PMN </Td> <Td> polymorphonuclear leukocytes, that is, neutrophils </Td> </Tr> <Tr> <Td> PMR </Td> <Td> percutaneous myocardial revascularization polymyalgia rheumatica proportionate mortality rate </Td> </Tr> <Tr> <Td> PM&R </Td> <Td> physical medicine and rehabilitation </Td> </Tr> <Tr> <Td> PMS </Td> <Td> premenstrual syndrome </Td> </Tr> <Tr> <Td> PNA </Td> <Td> pneumonia </Td> </Tr> <Tr> <Td> PNA </Td> <Td> postnatal age </Td> </Tr> <Tr> <Td> PND </Td> <Td> paroxysmal nocturnal dyspnea postnasal drip </Td> </Tr> <Tr> <Td> PNET </Td> <Td> primitive neuroectodermal tumor </Td> </Tr> <Tr> <Td> PNH </Td> <Td> paroxysmal nocturnal hemoglobinuria </Td> </Tr> <Tr> <Td> PNM </Td> <Td> perinatal mortality </Td> </Tr> <Tr> <Td> PNV </Td> <Td> Prenatal vitamin </Td> </Tr> <Tr> <Td> PO </Td> <Td> by mouth, that is, orally (from Latin per os) </Td> </Tr> <Tr> <Td> POA </Td> <Td> (Health Care) Power of Attorney </Td> </Tr> <Tr> <Td> POC </Td> <Td> postoperative care products of conception Plan of Care </Td> </Tr> <Tr> <Td> POD </Td> <Td> postoperative days </Td> </Tr> <Tr> <Td> poly </Td> <Td> polymorphonuclear cells, that is, neutrophils </Td> </Tr> <Tr> <Td> PONV </Td> <Td> postoperative nausea and vomiting </Td> </Tr> <Tr> <Td> POP </Td> <Td> pain on palpation, Plaster of Paris </Td> </Tr> <Tr> <Td> Post </Td> <Td> posterior (see anatomical terms of location) </Td> </Tr> <Tr> <Td> POT </Td> <Td> plan of treatment </Td> </Tr> <Tr> <Td> POX </Td> <Td> peroxidase </Td> </Tr> <Tr> <Td> PP </Td> <Td> pulse pressure postpartum, that is, postnatal postprandial </Td> </Tr> <Tr> <Td> PPCS </Td> <Td> prolonged post-concussion syndrome </Td> </Tr> <Tr> <Td> PPD </Td> <Td> packs per day (cigarettes) postpartum depression, that is, postnatal depression purified protein derivative or Mantoux test, for tuberculosis testing </Td> </Tr> <Tr> <Td> PPF </Td> <Td> posterior pharyngeal flap </Td> </Tr> <Tr> <Td> PPH </Td> <Td> postpartum haemorrhage primary pulmonary hypertension procedure for prolapse and hemorrhoids </Td> </Tr> <Tr> <Td> PPI </Td> <Td> proton pump inhibitor </Td> </Tr> <Tr> <Td> PPROM </Td> <Td> preterm premature rupture of membranes </Td> </Tr> <Tr> <Td> PPS </Td> <Td> post-polio syndrome </Td> </Tr> <Tr> <Td> Ppt </Td> <Td> precipitate precipitating </Td> </Tr> <Tr> <Td> PPTCT </Td> <Td> prevention of parent - to - child transmission (of HIV) (government of India initiative) </Td> </Tr> <Tr> <Td> PPTL </Td> <Td> postpartum tubal ligation </Td> </Tr> <Tr> <Td> PPTP </Td> <Td> Pediatric preclinical testing program </Td> </Tr> <Tr> <Td> PPV </Td> <Td> positive predictive value </Td> </Tr> <Tr> <Td> PPx </Td> <Td> prophylaxis </Td> </Tr> <Tr> <Td> PR </Td> <Td> prothrombin ratio </Td> </Tr> <Tr> <Td> p.r. </Td> <Td> per rectum (as noun: rectal examination) </Td> </Tr> <Tr> <Td> PRA </Td> <Td> plasma renin activity </Td> </Tr> <Tr> <Td> PRBC PRBCs </Td> <Td> packed red blood cells </Td> </Tr> <Tr> <Td> PREA </Td> <Td> Pediatric Research Equity Act </Td> </Tr> <Tr> <Td> Preme </Td> <Td> premature infant (see premature birth) </Td> </Tr> <Tr> <Td> Prep <P> PrEP </P> </Td> <Td> preparation <P> pre-exposure prophylaxis </P> </Td> </Tr> <Tr> <Td> PRES </Td> <Td> Posterior reversible encephalopathy syndrome </Td> </Tr> <Tr> <Td> PRIND </Td> <Td> prolonged reversible ischemic neurologic deficit </Td> </Tr> <Tr> <Td> PRL </Td> <Td> prolactin </Td> </Tr> <Tr> <Td> prn PRN </Td> <Td> as necessary (from Latin pro re nata) (if used in chronic pain control, sometimes disparagingly termed "pain relief nil") as needed </Td> </Tr> <Tr> <Td> Prog </Td> <Td> prognosis </Td> </Tr> <Tr> <Td> PROM </Td> <Td> premature rupture of membranes </Td> </Tr> <Tr> <Td> PRP </Td> <Td> panretinal photocoagulation progressive rubella panencephalitis </Td> </Tr> <Tr> <Td> PRV </Td> <Td> polycythemia rubra vera (see polycythemia vera) </Td> </Tr> <Tr> <Td> PSA </Td> <Td> prostate - specific antigen </Td> </Tr> <Tr> <Td> PBSO </Td> <Td> Partial small bowel obstruction </Td> </Tr> <Tr> <Td> PSC </Td> <Td> Primary sclerosing cholangitis </Td> </Tr> <Tr> <Td> PSGN </Td> <Td> poststreptococcal glomerulonephritis </Td> </Tr> <Tr> <Td> PSH </Td> <Td> Paroxysmal sympathetic hyperactivity Past surgical history psychosocial history Past medical history (see also medical history) </Td> </Tr> <Tr> <Td> PSI </Td> <Td> Pneumonia severity index </Td> </Tr> <Tr> <Td> PSP </Td> <Td> phenylsulphtalein </Td> </Tr> <Tr> <Td> PSS </Td> <Td> progressive systemic sclerosis (see scleroderma) </Td> </Tr> <Tr> <Td> PSVT </Td> <Td> paroxysmal supraventricular tachycardia </Td> </Tr> <Tr> <Td> PT </Td> <Td> prothrombin time physical therapy (physiotherapy) </Td> </Tr> <Tr> <Td> Pt . </Td> <Td> patient (from Latin patiens, meaning "one who endures" or "one who suffers") </Td> </Tr> <Tr> <Td> PTA </Td> <Td> percutaneous transluminal angioplasty post-traumatic amnesia prior to admission </Td> </Tr> <Tr> <Td> PTB </Td> <Td> pulmonary tuberculosis </Td> </Tr> <Tr> <Td> PTC </Td> <Td> percutaneous transhepatic cholangiography </Td> </Tr> <Tr> <Td> PTCA </Td> <Td> percutaneous transluminal coronary angioplasty </Td> </Tr> <Tr> <Td> PTD </Td> <Td> prior to discharge preterm delivery </Td> </Tr> <Tr> <Td> PTH </Td> <Td> parathyroid hormone </Td> </Tr> <Tr> <Td> PTHC </Td> <Td> percutaneous transhepatic cholangiography </Td> </Tr> <Tr> <Td> PTL </Td> <Td> preterm labor </Td> </Tr> <Tr> <Td> PTSD </Td> <Td> posttraumatic stress disorder </Td> </Tr> <Tr> <Td> PTSS </Td> <Td> posttraumatic stress syndrome (see posttraumatic stress disorder) </Td> </Tr> <Tr> <Td> PTT </Td> <Td> partial thromboplastin time </Td> </Tr> <Tr> <Td> PTU </Td> <Td> propylthiouracil </Td> </Tr> <Tr> <Td> PTx </Td> <Td> pneumothorax </Td> </Tr> <Tr> <Td> PUS </Td> <Td> palindromic units </Td> </Tr> <Tr> <Td> PUBS </Td> <Td> percutaneous umbilical blood sample </Td> </Tr> <Tr> <Td> PUD </Td> <Td> peptic ulcer disease </Td> </Tr> <Tr> <Td> PUO </Td> <Td> pyrexia of unknown origin </Td> </Tr> <Tr> <Td> PUVA </Td> <Td> psoralen UV A (photochemical ultraviolet light A waves) </Td> </Tr> <Tr> <Td> p.v. </Td> <Td> per vagina (as noun: vaginal examination with manual examination and speculum inspection) </Td> </Tr> <Tr> <Td> PV </Td> <Td> polycythemia vera </Td> </Tr> <Tr> <Td> PVC (VPC) </Td> <Td> premature ventricular contraction </Td> </Tr> <Tr> <Td> PVD </Td> <Td> peripheral vascular disease </Td> </Tr> <Tr> <Td> PVFS </Td> <Td> post-viral fatigue syndrome </Td> </Tr> <Tr> <Td> PVI </Td> <Td> Peripheral Vascular Insufficiency Pulmonary Vein Isolation </Td> </Tr> <Tr> <Td> PVOD </Td> <Td> Pulmonary venoocclusive disease </Td> </Tr> <Tr> <Td> PVR </Td> <Td> pulmonary vascular resistance Postvoid residual urine volume </Td> </Tr> <Tr> <Td> PVS </Td> <Td> persistent vegetative state pulmonary valve stenosis Plummer - Vinson syndrome </Td> </Tr> <Tr> <Td> PWD </Td> <Td> Pink, warm, and dry (skin assessment) </Td> </Tr> <Tr> <Td> PWP </Td> <Td> pulmonary wedge pressure </Td> </Tr> <Tr> <Td> Px px </Td> <Td> physical examination prognosis patient </Td> </Tr> <Tr> <Td> P-Y </Td> <Td> pack - years (years of smoking multiplied by average number of packs, or fraction thereof, per day) </Td> </Tr> <Tr> <Td> PZA </Td> <Td> pyrazinamide </Td> </Tr> </Table> <Tr> <Th> Abbreviation </Th> <Th> Meaning </Th> </Tr>

Pac what does it stand for in medical terms
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