Medical Branch

Medical Branch Acronyms Alphabet A

medical branch acronyms alphabet a
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Medical Branch Alphabet – A

S. NoAcronymsFull FormShort ExplanationPractical Example
A001AAAlopecia AreataAutoimmune hair-loss disorderDermatologist diagnosing patchy scalp hair loss
A002AAAAbdominal Aortic AneurysmBulging of abdominal aortaScreening elderly patients for rupture risk
A003AABAnti-A AntibodyAntibody against A blood groupCrossmatching before transfusion
A004AACAcute Angle-Closure (Glaucoma)Sudden rise in eye pressureEmergency eye pressure reduction
A005AADAntibiotic-Associated DiarrheaDiarrhea caused by antibioticsPatient develops loose stools post-antibiotics
A006AAFAtrial Atrial FlutterRapid heartbeat rhythmECG showing flutter waves
A007AAGAcute Atrophic GastritisInflammation causing stomach lining thinningEndoscopy diagnosis
A008AAHAtypical Adenomatous HyperplasiaPrecancerous lung lesionPathology finding in lung biopsy
A009AAIAsynchronous Atrial InhibitionPacemaker modeCardiac pacing setting
A010AALAcute Allergic LaryngitisSudden throat swellingPatient with hoarseness after allergen exposure
A011AAMAssisted Ambulation MethodWalking with supportPhysiotherapy training
A012AANAmerican Academy of NeurologyNeurology professional bodyGuidelines for stroke treatment
A013AAOAmerican Academy of OphthalmologyEye health organizationResearch on cataract guidelines
A014AAPAcute Abdomen PainSudden severe abdominal painER triage for acute appendicitis
A015AARAdverse Action ReportReport of harmful drug reactionHospital documentation
A016AASAcute Aortic SyndromeLife-threatening aortic diseaseCT scan for dissection
A017AATAlpha-1 AntitrypsinProtein preventing lung damageTesting for genetic deficiency
A018AAVAdeno-Associated VirusViral vector for gene therapyDelivering therapeutic genes
A019AAWActive Assisted WorkoutAssisted physical therapyStroke patient rehab
A020AAXAmino Acid XPlaceholder amino acidGenetic sequence notation
A021ABAntibodyImmune proteinBlood tests checking for infection
A022ABAApplied Behavior AnalysisBehavioral therapy for autismAutism treatment sessions
A023ABCAirway, Breathing, CirculationEmergency first aid stepsCPR training
A024ABDAbdomenAbdominal area abbreviationChart notes documenting pain location
A025ABEAcute Bacterial EndocarditisHeart valve infectionIV antibiotics administered
A026ABGArterial Blood GasMeasures oxygen & CO₂ICU patient monitoring
A027ABHAnti-Blood Group HRare antibody typeTransfusion screening
A028ABIAnkle-Brachial IndexMeasures arterial perfusionPeripheral artery disease test
A029ABNAdvance Beneficiary NoticeMedicare paperworkPatient receiving coverage warning
A030ABOBlood Grouping SystemBlood type classificationTransfusion matching
A031ABPArterial Blood PressureBlood pressure in arteriesMonitoring hypertension
A032ABRAuditory Brainstem ResponseHearing test for nervesNewborn hearing screening
A033ABSAcute Bacterial SinusitisSinus infectionAntibiotic treatment
A034ABTAntibiotic TherapyTreatment using antibioticsPrescribing amoxicillin
A035ABVAnti-Bacterial VaccineVaccine against bacteriaPneumococcal immunization
A036ACAcromioclavicularShoulder joint regionSports injury diagnosis
A037ACAAnterior Cerebral ArteryBrain blood supply vesselStroke localization
A038ACCAdenoid Cystic CarcinomaRare cancer affecting glandsHead & neck tumor biopsy
A039ACDAnemia of Chronic DiseaseLow hemoglobin due to chronic illnessLab results evaluation
A040ACEAngiotensin-Converting EnzymeBlood pressure regulatory enzymeACE inhibitor drugs
A041ACGAntral Congestion GastritisStomach inflammationEndoscopy result
A042ACHAcetylcholineNeurotransmitterMuscle contraction physiology
A043ACJAcromioclavicular JointShoulder jointX-ray after fall injury
A044ACKDAcquired Cystic Kidney DiseaseKidney cysts due to dialysisUltrasound screening
A045ACLAnterior Cruciate LigamentKnee ligamentSports injury tear
A046ACOGAmerican College of Obstetricians & GynecologistsOB/GYN authorityPregnancy health guidelines
A047ACPAdvance Care PlanningDiscussing future medical decisionsEnd-of-life discussion
A048ACRAlbumin/Creatinine RatioKidney function testDiabetic nephropathy monitoring
A049ACTActivated Clotting TimeBlood coagulation testHeparin monitoring
A050ACUAcute Care UnitHospital departmentPost-surgery recovery
S. NoAcronymsFull FormShort ExplanationPractical Example
A051ACVApple Cider Vinegar (medical nutrition)Used for alternative therapyDietician recommendation
A052ACWAnti-Clockwise RotationClinical measurementOrthopedic joint assessment
A053ADAAmerican Diabetes AssociationDiabetes guidelinesTreatment standards
A054ADCApparent Diffusion CoefficientMRI measureStroke imaging
A055ADHAnti-Diuretic HormoneWater retention hormoneSIADH diagnosis
A056ADLActivities of Daily LivingBasic daily tasksOT functional evaluation
A057ADMAdmissionPatient entry to hospitalER documentation
A058ADNAssociate Degree in NursingNursing qualificationRN training
A059ADOAdolescentAges 10–19 classificationPediatric notes
A060ADPAdenosine DiphosphateEnergy moleculeATP cycle function
A061ADRAdverse Drug ReactionHarmful reaction to drugsReporting to pharmacovigilance
A062ADSAcute Decompensated ShockSudden circulatory failureICU emergency care
A063ADTAndrogen Deprivation TherapyTreatment for prostate cancerHormone inhibition
A064ADVAdenovirusVirus causing infectionsUpper respiratory testing
A065AEAdverse EventUndesirable outcomeClinical trial reporting
A066AEBAs Evidenced ByClinical charting termSOAP note
A067AEDAutomated External DefibrillatorShock device for cardiac arrestPublic emergency use
A068AEFArteriovenous FistulaAbnormal artery-vein connectionDialysis access
A069AEMAcute EncephalomyelitisBrain inflammationMRI confirmation
A070AEPAuditory Evoked PotentialBrain hearing responseNeurodiagnostic test
A071AESAcute Encephalitis SyndromeBrain infectionHospital isolation
A072AFAtrial FibrillationIrregular heartbeatECG showing AF
A073AFIAmniotic Fluid IndexMeasurement of amniotic fluidPregnancy ultrasound
A074AFLAtrial FlutterHeart rhythm disorderCardioversion procedure
A075AFMAcute Flaccid MyelitisPolio-like illnessMRI spine evaluation
A076AFPAlpha-FetoproteinTumor markerLiver cancer screening
A077AFRAcute Febrile ResponseFever due to infectionTriage assessment
A078AFSAutoimmune Fibrosis SyndromeFibrotic autoimmune diseaseDiagnostic biopsy
A079AFTAfterPost-procedure timeCharting
A080AGAAppropriate for Gestational AgeNewborn size classificationNICU records
A081AGCAtypical Glandular CellsAbnormal Pap smearGynecologic evaluation
A082AGIAcute Gastrointestinal IllnessGI infectionER case
A083AGNAcute GlomerulonephritisKidney inflammationUrine tests
A084AGOAndrogenic Ovarian DisorderHormonal imbalanceEndocrinology referral
A085AGPAerosol-Generating ProcedureHigh-risk medical procedureIntubation PPE
A086AGRAlbumin-to-Globulin RatioBlood protein ratioLiver function assessment
A087AGSAcute Geriatric SyndromeSudden decline in elderlyFall-related disorder
A088AGTAngiotensinogenHormone precursorHypertension physiology
A089AHAnterior HypothalamusBrain thermoregulation centerHeat stress study
A090AHAAmerican Heart AssociationCardiac guidelinesCPR protocols
A091AHBAcute Hepatitis BLiver infectionHBsAg test
A092AHCAcute Hemorrhagic ConjunctivitisEye viral infectionCommunity outbreak
A093AHDAdult Heart DiseaseGeneral heart conditionsCardiac clinic visit
A094AHFAcute Heart FailureSudden heart pumping failureDiuretics in ER
A095AHIApnea-Hypopnea IndexSleep apnea severitySleep lab diagnosis
A096AHNAcute Hemorrhagic NephritisKidney bleeding disorderUrinalysis
A097AHPAcute Hepatic PorphyriaRare metabolic diseaseGenetic testing
A098AHTAbusive Head TraumaChild injuryForensic evaluation
A099AIArtificial Insemination / AutoimmunityDepends on contextFertility clinic / lab tests
A100AICAnkle Injury ClassificationOrtho gradingER fracture assessment
S. NoAcronymsFull FormShort ExplanationPractical Example
A101AIDAutoimmune DiseaseImmune system attacks bodyDiagnosing lupus
A102AIGAAcute Infective GastroenteritisStomach infectionORS therapy
A103AIMAcute Infectious MeningitisMeninges inflammationLumbar puncture
A104AINAcute Interstitial NephritisKidney inflammationDrug-induced reaction
A105AIPAcute Intermittent PorphyriaRare metabolic disorderUrine porphyrins
A106AIRAcute Inflammatory ResponseBody’s reaction to injuryRedness, swelling
A107AISAndrogen Insensitivity SyndromeGenetic conditionClinical endocrine exam
A108AIVAvian Influenza VirusBird flu virusPandemic preparedness
A109AJAnkle JerkNeurologic reflexTesting reflexes
A110AKAAbove Knee AmputationSurgical limb removalRehabilitation training
A111AKIAcute Kidney InjurySudden kidney failureElevated creatinine
A112AKTProtein Kinase BCell pathway enzymeCancer research
A113ALAcute LeukemiaBlood cancerChemotherapy
A114ALAAminolevulinic AcidCompound used in phototherapySkin cancer treatment
A115ALDAlcoholic Liver DiseaseLiver damage from alcoholLab liver enzymes
A116ALFAcute Liver FailureSudden liver dysfunctionICU treatment
A117ALGAllergyHypersensitivity reactionSkin tests
A118ALHAtypical Lobular HyperplasiaBreast pathologyMammogram follow-up
A119ALIAcute Lung InjurySevere lung damageMechanical ventilation
A120ALKAnaplastic Lymphoma KinaseCancer geneTargeted therapies
A121ALLAcute Lymphoblastic LeukemiaBlood cancer in childrenBone marrow biopsy
A122ALPAlkaline PhosphataseEnzyme indicatorLiver/bone tests
A123ALSAmyotrophic Lateral SclerosisNerve degenerative diseaseMobility decline
A124ALTAlanine AminotransferaseLiver enzymeLiver function test
A125ALTEApparent Life-Threatening EventSudden infant episodeNICU evaluation
A126AMAAgainst Medical AdvicePatient leaves hospital earlyDocumentation
A127AMCArthrogryposis Multiplex CongenitaCongenital deformitiesPediatric ortho
A128AMIAcute Myocardial InfarctionHeart attackECG & troponin
A129AMLAcute Myeloid LeukemiaBlood cancerChemotherapy induction
A130AMNAcute Motor NeuropathyNerve damageEMG testing
A131AMPAdenosine MonophosphateEnergy moleculeBiochemistry labs
A132AMRAntimicrobial ResistanceResistance to antibioticsWHO surveillance
A133AMSAltered Mental StatusChange in consciousnessER evaluation
A134ANAAntinuclear AntibodyAutoimmune testLupus screening
A135ANGAngiographyArtery imagingCardiac catheterization
A136ANKAnkle MeasurementOrtho examInjury documentation
A137ANPAtrial Natriuretic PeptideHormone for fluid balanceHeart failure marker
A138ANSAutonomic Nervous SystemControls involuntary functionsHeart rate regulation
A139ANTAnti-Coagulant TherapyBlood thinning treatmentWarfarin monitoring
A140ANVAcute Nausea and VomitingSudden nauseaER treatment
A141AOAAmerican Osteopathic AssociationU.S. medical bodyResidency accreditation
A142AOMAcute Otitis MediaMiddle ear infectionEar pain in children
A143AORArea of ResponsibilityCare regionNursing assignment
A144AOSAdult-Onset Still’s DiseaseRare inflammatory diseaseFever & rash
A145APAnteroposteriorFront-to-back viewX-ray angle
A146APAAmerican Psychological AssociationPsychology organizationResearch standards
A147APCAdenomatous Polyposis ColiColon cancer geneGenetic testing
A148APDAcute Psychiatric DisorderMental health crisisAdmission for stabilization
A149APFAcidic Phosphatase FemoralBone enzymeOsteoporosis study
A150APHAntepartum HemorrhageBleeding before childbirthEmergency OB care

A151–A200

S. NoAcronymsFull FormShort ExplanationPractical Example
A151APIActive Pharmaceutical IngredientMain drug compoundDrug manufacturing
A152APLAcute Promyelocytic LeukemiaLeukemia subtypeATRA therapy
A153APMArthroscopic Partial MeniscectomyKnee surgeryOrtho procedure
A154APNAcute PyelonephritisKidney infectionIV antibiotics
A155APOApolipoproteinCholesterol componentLipid panel
A156APPAmyloid Precursor ProteinAlzheimer’s-related proteinResearch studies
A157APRAnnual Percentage Rate (medical billing)Cost measureHospital finance
A158APRAAcute Proliferative RetinopathyRetinal diseaseOphthalmology exam
A159APSAntiphospholipid SyndromeAutoimmune clotting disorderRecurrent miscarriages
A160APTActivated Partial Thromboplastin TimeClotting testHeparin monitoring
A161APXApraxiaMotor planning disorderStroke rehab
A162AQAqueous HumorEye fluidGlaucoma physiology
A163AQLAcceptable Quality LevelQuality controlPharma testing
A164ARAortic RegurgitationLeaking aortic valveEchocardiography
A165ARCAIDS-Related ComplexEarly HIV symptomsHIV management
A166ARDSAcute Respiratory Distress SyndromeSevere lung conditionICU ventilation
A167AREAge-Related Eye DiseaseOphthalmic conditionsCataract evaluation
A168ARFAcute Renal FailureSudden kidney shutdownDialysis initiation
A169ARGArginineAmino acidNutrition therapy
A170ARIAcute Respiratory InfectionViral or bacterial infectionFlu-like symptoms
A171ARMDAge-Related Macular DegenerationVision loss diseaseRetina exam
A172ARPAction Recovery PlanClinical improvement planPost-surgery rehab
A173ARSAcute Radiation SyndromeRadiation poisoningNuclear exposure case
A174ARTAntiretroviral TherapyHIV treatmentDaily medication
A175ARUAcute Rehabilitation UnitRecovery departmentStroke patient rehab
A176ASAnkylosing SpondylitisSpine arthritisRheumatology care
A177ASAAcetylsalicylic Acid (Aspirin)Pain/fever reducerPrescribing aspirin
A178ASATAspartate Aminotransferase TestLiver enzyme testLiver disease screening
A179ASCAtypical Squamous CellsAbnormal Pap smear resultCervical cancer screening
A180ASDAtrial Septal DefectHeart holePediatric cardiology
A181ASHAcute Severe HemorrhageSevere bleedingEmergency transfusion
A182ASLArterial Spin LabelingMRI brain perfusionStroke imaging
A183ASMAntiseizure MedicationEpilepsy treatmentPrescribing valproate
A184ASNAssociate in NursingNursing qualificationAcademic program
A185ASPAspirationInhalation of fluid/foodPneumonia risk
A186ASTAspartate AminotransferaseLiver enzymeLiver function test
A187ASUAntiseptic UnitHospital disinfection areaSterile processing
A188ATAcetyltransferaseEnzyme classBiochemical studies
A189ATDAttention to DetailClinical documentationNursing chart audits
A190ATFAnterior Talofibular LigamentAnkle ligamentSprain injury
A191ATLSAdvanced Trauma Life SupportEmergency trauma courseER physician training
A192ATMAtaxia Telangiectasia MutatedDNA repair geneGenetic disease
A193ATPAdenosine TriphosphateEnergy moleculeMetabolism labs
A194ATRAcute Tubular Renal NecrosisKidney damageUrine output monitoring
A195ATSAmerican Thoracic SocietyLung disease authorityAsthma guidelines
A196ATTAnti-Tuberculosis TherapyTB treatmentDOTS program
A197ATVAtrioventricularHeart conduction regionECG interpretation
A198AUAuris (Ear)Ear medical notationENT prescription
A199AUEAcute Urethral EdemaSwelling of urethraUrology visit
A200AURAcute Urinary RetentionSudden inability to urinateCatheter insertion

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