Medical Branch Alphabet – P
| S. No | Acronyms | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| P001 | PA | Pulmonary Artery | Major artery carrying blood from heart to lungs | Measured in echocardiography for heart conditions |
| P002 | PAA | Primary Aldosteronism Assessment | Evaluation for adrenal gland disorder | Diagnosed via lab tests and imaging |
| P003 | PAB | Prealbumin | Blood protein reflecting nutritional status | Monitored in malnutrition or liver disease |
| P004 | PAC | Premature Atrial Contraction | Heart rhythm irregularity | Detected on ECG |
| P005 | PAD | Peripheral Artery Disease | Narrowing of arteries in limbs | Evaluated with Doppler studies |
| P006 | PAE | Pulmonary Arterial Embolism | Blockage in lung artery | Diagnosed with CT pulmonary angiography |
| P007 | PAF | Paroxysmal Atrial Fibrillation | Intermittent irregular heart rhythm | Managed with medication or ablation |
| P008 | PAG | Pre-Anesthesia Guidelines | Protocols before anesthesia | Ensures patient safety |
| P009 | PAH | Pulmonary Arterial Hypertension | High blood pressure in lungs | Treated with vasodilators |
| P010 | PAI | Platelet Aggregation Inhibitor | Medication to prevent clot formation | Aspirin or clopidogrel |
| P011 | PAJ | Posterior Auricular Junction | Anatomical site near ear | Evaluated in ENT examinations |
| P012 | PAK | Pulmonary Alveolar Kinetics | Lung function metric | Studied in respiratory physiology |
| P013 | PAL | Pulmonary Artery Line | Catheter inserted in pulmonary artery | Monitors hemodynamics in ICU |
| P014 | PAM | Posterior Axial Measurement | Anatomical measurement in imaging | Used in radiology or orthopedic assessment |
| P015 | PAN | Polyarteritis Nodosa | Rare systemic vasculitis | Managed with immunosuppressive therapy |
| P016 | PAO | Pulmonary Alveolar Oxygen | Oxygen content in alveoli | Measured in arterial blood gas analysis |
| P017 | PAP | Pulmonary Artery Pressure | Pressure in lung arteries | Measured via catheterization or echocardiography |
| P018 | PAQ | Physical Activity Questionnaire | Assessment of exercise and activity | Used in clinical and research studies |
| P019 | PAR | Parathyroid | Endocrine glands regulating calcium | Evaluated via lab tests and imaging |
| P020 | PAS | Pulmonary Artery Stenosis | Narrowing of pulmonary artery | Managed surgically or with intervention |
| P021 | PAT | Paroxysmal Atrial Tachycardia | Sudden rapid heart rate originating in atria | Treated with medications or cardioversion |
| P022 | PAU | Peripheral Artery Ultrasound | Imaging for arterial disease | Detects stenosis or occlusion |
| P023 | PAV | Pulmonary Arteriovenous | Abnormal blood vessel connection in lungs | Diagnosed via imaging or angiography |
| P024 | PAX | Posterior Axial X-ray | Imaging study | Used in spinal or skeletal assessment |
| P025 | PB | Packed Blood | Blood component for transfusion | Used in anemia or surgery |
| P026 | PBA | Progressive Bulbar Atrophy | Neurodegenerative disorder | Monitored by neurologists |
| P027 | PBC | Primary Biliary Cirrhosis | Chronic liver disease | Treated with ursodeoxycholic acid |
| P028 | PBD | Protein-Binding Drug | Medication with high protein binding | Considered in pharmacokinetics |
| P029 | PBE | Peripheral Blood Examination | Lab evaluation of blood cells | Used in hematology |
| P030 | PBF | Pulmonary Blood Flow | Circulation through lungs | Measured in cardiology or physiology studies |
| P031 | PBG | Porphobilinogen | Biochemical marker for porphyria | Measured in urine or blood tests |
| P032 | PBH | Posterior Brain Hemisphere | Part of the brain | Evaluated in neurology and imaging |
| P033 | PBI | Protein-Bound Iodine | Old thyroid function test | Replaced by modern thyroid assays |
| P034 | PBJ | Posterior Basal Junction | Anatomical site | Considered in radiology or surgery |
| P035 | PBK | Peripheral Blood Kinetics | Blood cell behavior measurement | Studied in hematology research |
| P036 | PBL | Problem-Based Learning | Medical education method | Used in medical schools |
| P037 | PBM | Patient Blood Management | Strategies to optimize blood use | Applied in surgery and critical care |
| P038 | PBN | Parabrachial Nucleus | Brainstem structure | Studied in neuroscience |
| P039 | PBO | Placebo | Inactive treatment used in trials | Used as control in clinical studies |
| P040 | PBP | Peripheral Blood Pressure | Blood pressure measured in limbs | Used in PAD assessment |
| P041 | PBQ | Pediatric Blood Questionnaire | Assessment for pediatric hematology | Collects patient and family history |
| P042 | PBR | Protein-Binding Ratio | Lab metric for drugs or hormones | Guides dosage and therapy |
| P043 | PBS | Phosphate Buffered Saline | Laboratory solution | Used in cell culture and molecular biology |
| P044 | PBT | Positron Beam Tomography | Imaging technique | Used in research or specialized imaging |
| P045 | PBU | Posterior Basal Unit | Anatomical reference | Considered in histology or imaging |
| P046 | PBV | Pulmonary Blood Volume | Lung circulation metric | Evaluated in cardiopulmonary studies |
| P047 | PBW | Predicted Body Weight | Standard weight metric | Used for dosing or ventilator settings |
| P048 | PBX | Peripheral Blood X-ray | Imaging of blood vessels or bone marrow | Used in hematology or radiology |
| P049 | PC | Patient Care | General healthcare term | Applies to hospital or outpatient management |
| P050 | PCA | Patient-Controlled Analgesia | Pain management method | Uses a pump to deliver opioids |
| P051 | PCB | Polychlorinated Biphenyl | Environmental toxin | Monitored in toxicology studies |
| P052 | PCC | Prothrombin Complex Concentrate | Blood product for clotting | Used in coagulopathy or warfarin reversal |
| P053 | PCD | Primary Ciliary Dyskinesia | Genetic disorder affecting cilia | Managed with respiratory therapy |
| P054 | PCE | Premature Contraction Evaluation | Cardiac assessment | Done with ECG or Holter monitor |
| P055 | PCF | Pulmonary Clearance Function | Lung function measurement | Evaluates respiratory efficiency |
| P056 | PCG | Phonocardiogram | Heart sound recording | Used in cardiac diagnosis |
| P057 | PCH | Posterior Cerebral Hemisphere | Part of the brain | Assessed in neurology or imaging |
| P058 | PCI | Percutaneous Coronary Intervention | Procedure to open blocked arteries | Includes stenting in cardiology |
| P059 | PCJ | Posterior Cervical Junction | Anatomical site in neck | Considered in spine surgery or imaging |
| P060 | PCK | Primary Ciliary Knockout | Genetic study term | Used in research on ciliary function |
| P061 | PCL | Posterior Cruciate Ligament | Ligament in the knee | Evaluated in orthopedic injury |
| P062 | PCM | Paracetamol | Common analgesic and antipyretic | Used for fever and mild pain |
| P063 | PCN | Penicillin | Antibiotic medication | Treats bacterial infections |
| P064 | PCO | Polycystic Ovary | Ovary with multiple cysts | Evaluated in PCOS diagnosis |
| P065 | PCP | Pneumocystis Pneumonia | Opportunistic lung infection | Managed in immunocompromised patients |
| P066 | PCQ | Patient Care Questionnaire | Assessment of patient experience | Guides quality improvement |
| P067 | PCR | Polymerase Chain Reaction | Molecular test to amplify DNA | Used in infectious disease and genetics |
| P068 | PCS | Post-Concussion Syndrome | Symptoms after head injury | Includes headache, dizziness, cognitive issues |
| P069 | PCT | Procalcitonin | Biomarker for bacterial infection | Guides antibiotic therapy |
| P070 | PCU | Progressive Care Unit | Hospital unit between ICU and general ward | Provides intermediate monitoring |
| P071 | PCV | Packed Cell Volume | Hematocrit measurement | Assesses anemia or blood loss |
| P072 | PCW | Posterior Chest Wall | Back of thoracic region | Evaluated in trauma or surgery |
| P073 | PCX | Pulmonary Chest X-ray | Imaging of lungs | Detects pneumonia, TB, or trauma |
| P074 | PD | Parkinson’s Disease | Neurodegenerative disorder | Managed with medication and therapy |
| P075 | PDA | Patent Ductus Arteriosus | Congenital heart defect | Treated medically or surgically in infants |
| P076 | PDB | Protein Data Bank | Repository of protein structures | Used in research and bioinformatics |
| P077 | PDC | Programmed Death Checkpoint | Immune system regulatory protein | Studied in cancer immunotherapy |
| P078 | PDD | Pervasive Developmental Disorder | Group of developmental disorders | Includes autism spectrum disorders |
| P079 | PDE | Phosphodiesterase | Enzyme involved in cellular signaling | Targeted in medications for heart or erectile dysfunction |
| P080 | Portable Document Format | File type | Used for medical documentation | |
| P081 | PDG | Platelet-Derived Growth | Protein promoting cell proliferation | Studied in wound healing and research |
| P082 | PDH | Pyruvate Dehydrogenase | Enzyme in metabolism | Evaluated in metabolic disorders |
| P083 | PDI | Protein Disulfide Isomerase | Enzyme in protein folding | Studied in cell biology research |
| P084 | PDJ | Posterior Dentoalveolar Junction | Anatomical site | Considered in dentistry and surgery |
| P085 | PDK | Pyruvate Dehydrogenase Kinase | Enzyme regulating metabolism | Studied in metabolic research |
| P086 | PDL | Periodontal Ligament | Tissue connecting tooth to bone | Evaluated in dentistry |
| P087 | PDM | Post-Dural Puncture Migraine | Headache after spinal puncture | Managed with conservative or medical therapy |
| P088 | PDN | Progressive Diabetic Neuropathy | Nerve damage in diabetes | Managed with glycemic control and therapy |
| P089 | PDO | Polydioxanone | Absorbable surgical suture material | Used in wound closure |
| P090 | PDP | Post-Dural Puncture | Complication after lumbar puncture | Includes headache or back pain |
| P091 | PDQ | Physician Data Query | Database of medical and clinical trial information | Used for research or clinical reference |
| P092 | PDR | Physician’s Desk Reference | Drug reference book | Used for prescribing and information |
| P093 | PDS | Polydioxanone Suture | Absorbable surgical thread | Used in surgery closure |
| P094 | PDT | Photodynamic Therapy | Treatment using light-activated drugs | Applied in oncology or dermatology |
| P095 | PDU | Patient Data Unit | Section of hospital records | Stores patient medical information |
| P096 | PDV | Pulmonary Diastolic Volume | Measurement of lung filling | Evaluated in cardiopulmonary studies |
| P097 | PDW | Platelet Distribution Width | Lab parameter for platelets | Indicates variation in platelet size |
| P098 | PDX | Patient-Derived Xenograft | Research model using patient tumor tissue | Used in cancer research |
| P099 | PE | Pulmonary Embolism | Blood clot in lungs | Diagnosed via imaging and lab tests |
| P100 | PEA | Pulseless Electrical Activity | Cardiac arrest rhythm | Managed in advanced life support |
| S. No | Acronyms | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| P101 | PEB | Post-Exposure Prophylaxis for Bloodborne Pathogens | Preventive treatment after potential blood exposure | Used in healthcare after needle stick injury |
| P102 | PEC | Premature Ejaculation Counseling | Behavioral or medical management for sexual health | Applied in urology clinics |
| P103 | PED | Pediatric Emergency Department | Hospital unit for urgent child care | Treats acute pediatric illnesses |
| P104 | PEE | Pulmonary Embolism Evaluation | Diagnostic assessment for lung clot | Includes CT pulmonary angiography |
| P105 | PEF | Peak Expiratory Flow | Measurement of lung function | Used in asthma monitoring |
| P106 | PEG | Percutaneous Endoscopic Gastrostomy | Feeding tube insertion | Applied in patients unable to swallow |
| P107 | PEI | Pulmonary Embolism Index | Severity scoring system | Guides treatment decisions |
| P108 | PEL | Peripheral Edema Level | Assessment of swelling in limbs | Measured in heart failure or kidney disease |
| P109 | PEM | Protein-Energy Malnutrition | Nutritional deficiency | Monitored in pediatrics and critical care |
| P110 | PEN | Peripheral Nerve | Nerve outside brain and spinal cord | Evaluated in neurology or surgery |
| P111 | PEO | Pulmonary Embolism Outcome | Clinical prognosis after PE | Guides follow-up and therapy |
| P112 | PEP | Post-Exposure Prophylaxis | Preventive therapy after pathogen exposure | HIV or hepatitis management |
| P113 | PEQ | Patient Experience Questionnaire | Assessment of patient satisfaction | Used in hospital quality evaluation |
| P114 | PER | Peripheral Edema Ratio | Measurement of swelling | Evaluated in heart failure management |
| P115 | PES | Pulmonary Embolism Score | Risk assessment for PE | Guides anticoagulation therapy |
| P116 | PET | Positron Emission Tomography | Imaging technique using radioactive tracers | Detects cancer, cardiac, or neurological conditions |
| P117 | PEU | Patient Education Unit | Department for patient teaching | Provides instructions on disease and therapy |
| P118 | PEV | Pulmonary Endovascular Volume | Lung vascular measurement | Evaluated in cardiology or ICU |
| P119 | PEW | Protein-Energy Wasting | Malnutrition in chronic disease | Common in kidney failure or elderly |
| P120 | PEX | Plasma Exchange | Procedure to remove plasma from blood | Used in autoimmune diseases |
| P121 | PF | Pulmonary Fibrosis | Chronic lung scarring | Diagnosed with imaging and pulmonary tests |
| P122 | PFA | Platelet Function Assay | Lab test for platelet activity | Guides bleeding disorder management |
| P123 | PFB | Peripheral Facial Bell’s | Facial nerve disorder causing paralysis | Treated with steroids or therapy |
| P124 | PFC | Prefrontal Cortex | Brain region for executive functions | Studied in neurology and psychiatry |
| P125 | PFD | Pelvic Floor Dysfunction | Disorder of pelvic muscles | Treated with physical therapy or surgery |
| P126 | PFE | Pulmonary Function Evaluation | Assessment of lung function | Includes spirometry and gas exchange tests |
| P127 | PFG | Patient Follow-up Guide | Instructions for post-treatment care | Used in clinics or hospitals |
| P128 | PFH | Past Family History | Patient’s familial medical background | Collected in clinical assessment |
| P129 | PFI | Pulmonary Function Index | Metric of lung health | Used in respiratory disease monitoring |
| P130 | PFJ | Patellofemoral Joint | Knee joint area | Evaluated in orthopedic assessment |
| P131 | PFK | Phosphofructokinase | Enzyme in glycolysis | Studied in metabolic disorders |
| P132 | PFL | Pulmonary Flow Loop | Measurement of airflow | Evaluated in respiratory physiology |
| P133 | PFM | Pelvic Floor Muscle | Muscles supporting pelvic organs | Assessed in physiotherapy |
| P134 | PFN | Proximal Femoral Nail | Orthopedic implant for hip fracture | Used in surgical repair |
| P135 | PFO | Patent Foramen Ovale | Congenital heart defect | Diagnosed with echocardiography |
| P136 | PFP | Patellofemoral Pain | Knee pain at front of knee | Managed with physiotherapy or surgery |
| P137 | PFQ | Patient Feedback Questionnaire | Collects patient opinion on care | Used in hospital quality improvement |
| P138 | PFR | Pulmonary Function Ratio | Lung function metric | Evaluated in COPD and asthma |
| P139 | PFS | Progression-Free Survival | Clinical outcome measure in trials | Used in oncology research |
| P140 | PFT | Pulmonary Function Test | Assessment of lung capacity and flow | Spirometry, lung volume, diffusion tests |
| P141 | PFU | Plaque-Forming Unit | Viral quantification | Used in virology research |
| P142 | PFV | Pulmonary Flow Velocity | Blood flow speed in lungs | Measured in cardiology and pulmonary studies |
| P143 | PFW | Post-Fever Weakness | Fatigue following fever | Observed in infectious diseases |
| P144 | PFX | Percutaneous Fixation | Minimally invasive surgical procedure | Used in fracture repair |
| P145 | PG | Prostaglandin | Hormone-like substance | Used in labor induction or glaucoma treatment |
| P146 | PGA | Physician Global Assessment | Clinician’s overall evaluation | Used in rheumatology trials |
| P147 | PGB | Peripheral Ganglion Block | Nerve block for pain relief | Applied in anesthesia or pain clinics |
| P148 | PGC | Primordial Germ Cell | Early reproductive cell | Studied in embryology and genetics |
| P149 | PGD | Preimplantation Genetic Diagnosis | Screening embryos for genetic disorders | Applied in IVF clinics |
| P150 | PGE | Prostaglandin E | Subtype of prostaglandin | Used in medical therapy for labor or ulcers |
| P151 | PGF | Prostaglandin F | Subtype of prostaglandin | Applied in ophthalmology and reproductive health |
| P152 | PGH | Placental Growth Hormone | Hormone produced by placenta | Measured in pregnancy studies |
| P153 | PGI | Pulmonary Gas Index | Metric of lung gas exchange | Evaluated in respiratory function tests |
| P154 | PGJ | Posterior Gastrojejunal Junction | Anatomical site | Considered in surgery or imaging |
| P155 | PGK | Phosphoglycerate Kinase | Enzyme in metabolism | Studied in biochemical research |
| P156 | PGL | Paraganglioma | Rare tumor of nervous tissue | Treated surgically or medically |
| P157 | PGM | Postgraduate Medical | Level of medical education | Refers to residency or specialty training |
| P158 | PGN | Periglomerular Neuron | Neuron type in brain | Studied in neuroscience |
| P159 | PGO | Ponto-Geniculo-Occipital | Neural pathway in sleep studies | Evaluated in REM sleep research |
| P160 | PGP | Peripheral Giant Platelet | Abnormal platelet | Studied in hematology |
| P161 | PGQ | Patient Gastro Questionnaire | Assessment of GI symptoms | Guides clinical care |
| P162 | PGR | Progesterone Receptor | Hormone receptor in tissues | Evaluated in breast cancer pathology |
| P163 | PGS | Preimplantation Genetic Screening | Screening embryos for chromosomal abnormalities | Used in IVF clinics |
| P164 | PGT | Preimplantation Genetic Testing | Genetic assessment of embryos | Applied in fertility clinics |
| P165 | PGU | Pediatric Gastroenterology Unit | Hospital department | Treats GI disorders in children |
| P166 | PGV | Pulmonary Gas Volume | Measurement of lung volume | Evaluated in respiratory physiology |
| P167 | PGW | Patient Guided Walk | Rehabilitation activity | Used in physiotherapy or cardiac rehab |
| P168 | PGX | Pharmacogenomics | Study of genetic impact on drug response | Guides personalized medicine |
| P169 | PH | Pulmonary Hypertension | High blood pressure in lungs | Managed with medication or intervention |
| P170 | PHA | Phytohemagglutinin | Plant protein stimulating cell division | Used in immunology assays |
| P171 | PHB | Public Health Board | Regulatory body | Sets public health policies and guidelines |
| P172 | PHC | Primary Health Care | Basic healthcare services | Delivered in clinics or community centers |
| P173 | PHD | Pulmonary Hemodynamic Data | Measurements of lung circulation | Evaluated in ICU or cardiology |
| P174 | PHE | Public Health Emergency | Crisis affecting population health | Managed by health authorities |
| P175 | PHF | Pulmonary Hypertensive Fibrosis | Lung tissue thickening | Evaluated in pulmonary disease |
| P176 | PHG | Parathyroid Hormone Growth | Hormone stimulating bone | Evaluated in endocrinology |
| P177 | PHI | Protected Health Information | Confidential medical data | Governed by HIPAA and other regulations |
| P178 | PHK | Posterior Hypothalamic Kit | Laboratory or surgical reference | Studied in neurology or anatomy |
| P179 | PHL | Peripheral Hemolysis Level | Lab measure of red blood cell breakdown | Evaluated in hematology |
| P180 | PHM | Public Health Measure | Policy or intervention for population health | Includes vaccination campaigns |
| P181 | PHN | Postherpetic Neuralgia | Nerve pain after shingles | Managed with medication and therapy |
| P182 | PHO | Pediatric Hematology Oncology | Medical specialty | Treats blood disorders and cancer in children |
| P183 | PHP | Primary Hyperparathyroidism | Excess parathyroid hormone | Managed medically or surgically |
| P184 | PHQ | Patient Health Questionnaire | Standardized patient survey | Screens for mental health conditions |
| P185 | PHR | Personal Health Record | Patient-maintained medical record | Helps track health data |
| P186 | PHS | Public Health Service | Government health agency | Oversees disease control and public programs |
| P187 | PHT | Pulmonary Thromboembolism Therapy | Treatment for lung clots | Includes anticoagulation or intervention |
| P188 | PHU | Pediatric Hematology Unit | Hospital department | Treats children with blood disorders |
| P189 | PHV | Pulmonary Hypertension Volume | Measurement in lung disease | Evaluated via imaging or hemodynamics |
| P190 | PHW | Public Health Workforce | Professionals in population health | Includes epidemiologists, nurses, and policy makers |
| P191 | PHX | Past History | Patient medical history | Collected during clinical assessment |
| P192 | PI | Pulmonary Infection | Infection in lungs | Diagnosed with imaging and labs |
| P193 | PIA | Posterior Interventricular Artery | Heart artery | Evaluated in cardiology or surgery |
| P194 | PIB | Pediatric Intensive Bed | ICU bed for child care | Used in critical pediatric cases |
| P195 | PIC | Peripheral Intravenous Catheter | IV access in limb | Used for medication or fluid administration |
| P196 | PID | Pelvic Inflammatory Disease | Infection of female reproductive organs | Treated with antibiotics |
| P197 | PIE | Pulmonary Interstitial Edema | Fluid accumulation in lung tissue | Evaluated via imaging and labs |
| P198 | PIF | Peak Inspiratory Flow | Max airflow during inhalation | Monitored in respiratory therapy |
| P199 | PIG | Post-Infarction Glucose | Blood sugar after heart attack | Monitored for glycemic control |
| P200 | PIH | Pregnancy-Induced Hypertension | High blood pressure during pregnancy | Managed with monitoring and medication |



