Medical Branch

Medical Branch Initialisms Alphabet O

medical branch initialisms alphabet o
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Medical Branch Alphabet – O

S. NoInitialismFull FormShort ExplanationPractical Example
O001O2OxygenEssential element for respirationAdministered O2 via nasal cannula for hypoxia
O002OBObstetricsBranch of medicine dealing with pregnancy and childbirthOB ward monitors pregnant patients
O003OB/GYNObstetrics and GynecologyCombined medical specialty of obstetrics and gynecologyOB/GYN consultation for prenatal care
O004ODOculus Dexter (Right Eye) / OverdoseRight eye or drug overdoseOD noted in eye exam / Patient admitted for OD
O005OSOculus Sinister (Left Eye)Left eyeOS visual acuity tested
O006OUOculus Uterque (Both Eyes)Both eyesOU checked for refractive error
O007OCPOral Contraceptive PillMedication to prevent pregnancyOCP prescribed for birth control
O008OROperating RoomRoom for surgical proceduresPatient prepared for surgery in OR
O009OTOccupational Therapy / Operating TheaterTherapy for daily living skills / Surgery roomOT provided for stroke patient / OT equipped for surgery
O010OPDOutpatient DepartmentDepartment for patients not admittedOPD visit for routine check-up
O011OIOpportunistic InfectionInfection in immunocompromised patientsOI in HIV patient treated with antibiotics
O012OSAObstructive Sleep ApneaSleep disorder causing airway obstructionOSA managed with CPAP therapy
O013OCDObsessive Compulsive DisorderPsychiatric disorder with repetitive thoughts/actionsOCD treated with CBT and SSRIs
O014OAOsteoarthritisDegenerative joint diseaseOA managed with NSAIDs and physiotherapy
O015OPOutpatientPatient treated without admissionOP visits recorded in clinic
O016ORIFOpen Reduction and Internal FixationSurgical procedure for fracture repairORIF performed for femur fracture
O017OMEOtitis Media with EffusionMiddle ear fluid without infectionOME treated with observation or tympanostomy tube
O018ONOptic NeuritisInflammation of optic nerveON treated with corticosteroids
O019OCTOptical Coherence TomographyImaging test for retina/optic nerveOCT performed to assess macular degeneration
O020OSASObstructive Sleep Apnea SyndromeSevere form of sleep apneaOSAS treated with CPAP
O021OTUOperating Theater UnitSurgical suiteOTU monitored for sterility
O022O&POva and ParasiteStool test for parasitic infectionO&P test positive for Giardia
O023ORSOral Rehydration SolutionHydration solution for dehydrationORS given for diarrhea management
O024OSMFOral Submucous FibrosisChronic oral disease causing fibrosisOSMF diagnosed in patient with betel nut habit
O025OSCEObjective Structured Clinical ExaminationClinical assessment methodMedical students evaluated via OSCE
O026OIOsteogenesis ImperfectaGenetic bone disorderOI patient prone to fractures
O027ORNOsteoradionecrosisBone necrosis due to radiationORN managed post-radiotherapy
O028OAEsOtoacoustic EmissionsHearing test measuring inner ear responseOAEs used in newborn hearing screening
O029OCPDObsessive Compulsive Personality DisorderPersonality disorder with rigid behaviorOCPD managed with psychotherapy
O030ODxOverdoseExcessive drug intakeODx treated in emergency department
O031ORTOral Rehydration TherapyTreating dehydration orallyORT used for children with diarrhea
O032OSHOccupational Safety and HealthWorkplace safetyOSH protocols implemented in hospital labs
O033OMAOtitis Media AcuteAcute middle ear infectionOMA treated with antibiotics
O034OAOpen Angle (Glaucoma)Type of glaucomaOA monitored via intraocular pressure
O035OFCOccipitofrontal CircumferenceHead circumference measurementOFC measured in infants
O036OHPOccupational Health PhysicianDoctor specializing in workplace healthOHP consults for industrial injury
O037OPVOral Polio VaccineVaccine for poliomyelitisOPV given in immunization campaigns
O038OIOsteoarthritis InterventionTreatment of osteoarthritisOI: joint replacement planned
O039OLOcular LensEye lensOL examined during eye assessment
O040OSROut-of-State ReferralPatient referred to external hospitalOSR arranged for specialized treatment
O041ONSOral Nutritional SupplementSupplement for malnutritionONS provided for elderly patients
O042OISOcular Injury ScoreAssessment scale for eye traumaOIS calculated after eye injury
O043OSOsteosarcomaBone cancerOS treated with chemotherapy and surgery
O044OTGOccupational Therapy GoalGoal for patient therapyOTG set for stroke rehabilitation
O045OHCOral Health CareCare of teeth and oral cavityOHC advised for diabetic patient
O046OOSOut of ServiceEquipment or patient statusVentilator marked OOS for maintenance
O047O2SatOxygen SaturationBlood oxygen level measurementO2Sat monitored via pulse oximeter
O048OIOphthalmic InfectionEye infectionOI treated with topical antibiotics
O049OMOtitis MediaMiddle ear infectionOM treated with antibiotics
O050OPOrthopedic ProcedureSurgery related to bones/jointsOP performed for fracture fixation
S. NoInitialismFull FormShort ExplanationPractical Example
O051OROral RouteAdministration of medication by mouthOR used for antibiotics in outpatient
O052OSDOcular Surface DiseaseEye condition affecting cornea/conjunctivaOSD managed with artificial tears
O053OIOptic IschemiaReduced blood flow to optic nerveOI evaluated in patient with sudden vision loss
O054OHCOccupational Hearing ConservationProgram to prevent hearing lossOHC implemented in noisy factory
O055OPAOropharyngeal AirwayDevice to maintain airwayOPA inserted in unconscious patient
O056OSAObstructive Sleep ApneaBreathing disorder during sleepOSA treated with CPAP machine
O057OPROutpatient ProcedureMinor medical procedure in clinicOPR: mole removal performed in clinic
O058ORIFOpen Reduction Internal FixationSurgical fracture repairORIF performed for tibial fracture
O059OSCEObjective Structured Clinical ExaminationMedical student practical assessmentOSCE conducted to evaluate clinical skills
O060ODDOppositional Defiant DisorderBehavioral disorder in childrenODD managed with therapy and parental guidance
O061OIOpportunistic InfectionInfection in immunocompromised patientOI in HIV treated with antibiotics
O062OMAOtitis Media AcuteAcute middle ear infectionOMA treated with antibiotics
O063OMEOtitis Media with EffusionMiddle ear fluid without infectionOME managed with observation or tube insertion
O064OAOsteoarthritisDegenerative joint diseaseOA treated with NSAIDs and physiotherapy
O065OPVOral Polio VaccineVaccine for poliomyelitisOPV given in immunization programs
O066OCPOral Contraceptive PillBirth control medicationOCP prescribed for contraception
O067OROperating RoomRoom for surgical proceduresOR prepared for emergency surgery
O068OTOccupational TherapyRehabilitation for daily living skillsOT provided to post-stroke patient
O069OPDOutpatient DepartmentMedical service for non-admitted patientsOPD visit for routine check-up
O070OIOsteogenesis ImperfectaGenetic bone disorderOI patient prone to fractures
O071ORSOral Rehydration SolutionRehydration fluid for dehydrationORS given for acute diarrhea
O072OSMFOral Submucous FibrosisChronic oral condition with fibrosisOSMF diagnosed in betel nut chewer
O073OSOsteosarcomaMalignant bone tumorOS treated with chemotherapy and surgery
O074ONSOral Nutritional SupplementSupplement to improve nutritionONS provided to malnourished patient
O075ODSOral Drug SolutionMedication administered orally in liquid formODS prescribed for pediatric patient
O076OCTOptical Coherence TomographyImaging test for retina/optic nerveOCT used to assess macular degeneration
O077ODxOverdoseExcessive intake of drugsODx managed in emergency room
O078OTUOperating Theater UnitSurgical suiteOTU monitored for sterility and readiness
O079OSHOccupational Safety and HealthWorkplace health and safetyOSH protocols followed in hospital labs
O080OFCOccipitofrontal CircumferenceMeasurement of head circumferenceOFC measured in newborns
O081OHPOccupational Health PhysicianDoctor specializing in workplace healthOHP consulted for industrial injury
O082OISOcular Injury ScoreAssessment of eye traumaOIS calculated after eye injury
O083OLOcular LensLens of the eyeOL examined during eye assessment
O084OOSOut of ServiceEquipment or patient statusVentilator marked OOS for maintenance
O085OAEsOtoacoustic EmissionsHearing test for cochlear functionOAEs used in newborn hearing screening
O086OCPDObsessive Compulsive Personality DisorderPersonality disorder with rigid behaviorOCPD managed with psychotherapy
O087OSASObstructive Sleep Apnea SyndromeSevere sleep apneaOSAS treated with CPAP
O088OCDObsessive Compulsive DisorderPsychiatric disorder with repetitive actionsOCD treated with CBT and SSRIs
O089ONOptic NeuritisInflammation of optic nerveON treated with corticosteroids
O090ORNOsteoradionecrosisBone necrosis after radiationORN managed post-radiotherapy
O091OMAOtitis Media AcuteAcute middle ear infectionOMA treated with antibiotics
O092OSOculus Sinister / Left EyeLeft eyeOS vision tested for acuity
O093ODOculus Dexter / Right EyeRight eyeOD vision tested
O094OUOculus Uterque / Both EyesBoth eyesOU examined for refractive error
O095OPMOral Polio MonovalentMonovalent polio vaccineOPM administered for immunization campaign
O096OPOrthopedic ProcedureBone/joint surgeryOP performed for femur fracture
O097ODSOral Drug SolutionLiquid oral medicationODS prescribed for child
O098OMROptical Mark RecognitionScanning technology for testsOMR used in medical exams
O099ORTOral Rehydration TherapyTreating dehydration orallyORT used in children with diarrhea
O100OATOccupational Aptitude TestTest for workplace skillsOAT administered to medical staff
S. NoInitialismFull FormShort ExplanationPractical Example
O101OPGOrthopantomogramPanoramic dental X-rayOPG performed for impacted teeth
O102OMTOsteopathic Manipulative TreatmentHands-on therapy for musculoskeletal issuesOMT applied for lower back pain
O103OATOral Anticoagulant TherapyBlood-thinning medication taken orallyOAT prescribed for atrial fibrillation
O104OSROut-of-State ReferralPatient referred to external hospitalOSR arranged for specialized care
O105OCPOral Contraceptive PillHormonal birth controlOCP prescribed to prevent pregnancy
O106ONSOral Nutritional SupplementNutritional support for patientsONS provided to malnourished patients
O107OMEOtitis Media with EffusionFluid in middle ear without infectionOME monitored in pediatric patient
O108OSCEObjective Structured Clinical ExaminationMedical practical assessmentOSCE used for evaluating students’ clinical skills
O109OSDOcular Surface DiseaseEye condition affecting cornea/conjunctivaOSD managed with lubricating drops
O110ORIFOpen Reduction Internal FixationSurgical fracture repairORIF performed for distal radius fracture
O111OATOccupational Aptitude TestTest for workplace skillsOAT used for hospital staff selection
O112ORSOral Rehydration SolutionFluid therapy for dehydrationORS administered for acute diarrhea
O113OIOpportunistic InfectionInfection in immunocompromised patientOI treated in HIV-positive patient
O114OIOptic IschemiaReduced blood flow to optic nerveOI evaluated in patient with sudden vision loss
O115OHCOral Health CareDental and oral hygiene practicesOHC advised for diabetic patient
O116OPVOral Polio VaccineVaccine for poliomyelitis preventionOPV given in routine immunization program
O117OPAOropharyngeal AirwayDevice to maintain airway patencyOPA inserted in unconscious patient
O118OROperating RoomRoom for performing surgeriesOR prepared for appendectomy
O119OTOccupational TherapyRehabilitation to improve daily livingOT provided for post-stroke patient
O120OPDOutpatient DepartmentCare for non-admitted patientsOPD visit for routine check-up
O121O2SatOxygen SaturationMeasurement of blood oxygen levelsO2Sat monitored via pulse oximeter
O122ODSOral Drug SolutionLiquid medication taken orallyODS prescribed for pediatric patient
O123OAOsteoarthritisDegenerative joint diseaseOA managed with NSAIDs and physiotherapy
O124OCDObsessive Compulsive DisorderPsychiatric disorder with repetitive thoughts/actionsOCD treated with CBT and SSRIs
O125OCPDObsessive Compulsive Personality DisorderPersonality disorder with rigid behaviorsOCPD managed with psychotherapy
O126OIOsteogenesis ImperfectaGenetic disorder causing fragile bonesOI patient prone to fractures
O127ORNOsteoradionecrosisBone necrosis after radiation therapyORN managed post-radiotherapy
O128ONOptic NeuritisInflammation of the optic nerveON treated with corticosteroids
O129OCTOptical Coherence TomographyImaging for retina/optic nerveOCT performed for macular degeneration
O130OAEsOtoacoustic EmissionsHearing test for cochlear functionOAEs used in newborn hearing screening
O131OSOculus Sinister (Left Eye)Left eyeOS visual acuity tested
O132ODOculus Dexter (Right Eye)Right eyeOD vision examined
O133OUOculus Uterque (Both Eyes)Both eyesOU tested for refractive errors
O134OMAOtitis Media AcuteAcute middle ear infectionOMA treated with antibiotics
O135OMEOtitis Media with EffusionFluid in middle ear without infectionOME monitored in pediatric patient
O136OSASObstructive Sleep Apnea SyndromeSevere form of sleep apneaOSAS treated with CPAP
O137ORTOral Rehydration TherapyTreating dehydration orallyORT administered in diarrhea management
O138OHCOccupational Hearing ConservationProgram to prevent hearing lossOHC implemented in industrial workers
O139OIOphthalmic InfectionInfection of the eyeOI treated with topical antibiotics
O140OFCOccipitofrontal CircumferenceHead circumference measurementOFC measured in newborn check-up
O141OHPOccupational Health PhysicianPhysician specializing in workplace healthOHP consulted for industrial injury
O142OTGOccupational Therapy GoalGoal set in rehabilitation therapyOTG set for stroke recovery patient
O143OPMOral Polio MonovalentMonovalent polio vaccineOPM administered in immunization drive
O144OMROptical Mark RecognitionScanning technology for forms/testsOMR used for student exams
O145ORSOral Rehydration SolutionHydration for dehydrationORS given in pediatric diarrhea
O146OSROut-of-State ReferralPatient referred to external hospitalOSR arranged for specialized treatment
O147ODxOverdoseExcessive drug intakeODx treated in emergency department
O148OATOral Anticoagulant TherapyBlood thinning via oral medicationOAT prescribed for atrial fibrillation
O149ONSOral Nutritional SupplementSupplement for malnutritionONS provided to elderly patient
O150OMEOtitis Media with EffusionMiddle ear fluidOME treated with tube insertion if persistent
O151OPOrthopedic ProcedureBone/joint surgeryOP performed for fractured humerus
O152ODSOral Drug SolutionLiquid oral medicationODS prescribed for child with fever
O153OAOpen Angle (Glaucoma)Type of glaucomaOA monitored via tonometry
O154OSDOcular Surface DiseaseEye surface disorderOSD managed with lubricating drops
O155OSCEObjective Structured Clinical ExaminationPractical exam for medical studentsOSCE conducted for clinical skills evaluation
O156OTOperating TheaterSurgical suiteOT prepared for emergency surgery
O157ORIFOpen Reduction Internal FixationSurgical fracture repairORIF done for femur fracture
O158OATOccupational Aptitude TestAssessment for workplace skillsOAT administered for staff selection
O159OIOpportunistic InfectionInfection in immunocompromised patientsOI treated in HIV patient
O160ORNOsteoradionecrosisBone necrosis after radiotherapyORN managed with surgery
O161ONOptic NeuritisInflammation of optic nerveON treated with corticosteroids
O162OCTOptical Coherence TomographyImaging for retinaOCT used to assess macular degeneration
O163OAEsOtoacoustic EmissionsHearing testOAEs used in newborn screening
O164OSOsteosarcomaMalignant bone tumorOS treated with chemotherapy and surgery
O165ODOculus Dexter / OverdoseRight eye / excessive drug intakeOD vision tested / OD treated in ER
O166OUBoth EyesEye notationOU checked during eye exam
O167OMAOtitis Media AcuteAcute ear infectionOMA treated with antibiotics
O168OMEOtitis Media with EffusionMiddle ear fluidOME monitored for spontaneous resolution
O169OSASObstructive Sleep Apnea SyndromeSevere sleep apneaOSAS managed with CPAP
O170ORTOral Rehydration TherapyFluid therapy for dehydrationORT given to child with diarrhea
O171OHCOccupational Hearing ConservationHearing protection programOHC implemented in factory workers
O172OPAOropharyngeal AirwayAirway management deviceOPA inserted in unconscious patient
O173OROperating RoomSurgery locationOR prepared for appendectomy
O174OTOccupational TherapyRehabilitation therapyOT provided for stroke patient
O175OPDOutpatient DepartmentCare for non-admitted patientsOPD visit for routine check-up
O176O2SatOxygen SaturationMeasurement of blood oxygenO2Sat monitored via pulse oximeter
O177ODSOral Drug SolutionLiquid oral medicationODS prescribed to pediatric patient
O178OAOsteoarthritisDegenerative joint diseaseOA managed with NSAIDs
O179OCDObsessive Compulsive DisorderPsychiatric disorderOCD treated with SSRIs and therapy
O180OCPDObsessive Compulsive Personality DisorderPersonality disorderOCPD managed with psychotherapy
O181OIOsteogenesis ImperfectaGenetic bone disorderOI patient prone to fractures
O182ORNOsteoradionecrosisBone necrosis post-radiotherapyORN managed surgically
O183ONOptic NeuritisInflammation of optic nerveON treated with corticosteroids
O184OCTOptical Coherence TomographyRetinal imagingOCT used for macular degeneration
O185OAEsOtoacoustic EmissionsHearing testOAEs used in newborns
O186OSOculus SinisterLeft eyeOS tested for vision
O187ODOculus DexterRight eyeOD examined for acuity
O188OUOculus UterqueBoth eyesOU examined for refraction
O189OPMOral Polio MonovalentPolio vaccineOPM administered in campaign
O190OMROptical Mark RecognitionForm scanningOMR used in medical exams
O191ORSOral Rehydration SolutionDehydration treatmentORS given in diarrhea
O192OSROut-of-State ReferralPatient referred externallyOSR arranged for specialty care
O193ODxOverdoseExcessive drug intakeODx treated in ER
O194OATOral Anticoagulant TherapyBlood-thinning oral medicationOAT prescribed for atrial fibrillation
O195ONSOral Nutritional SupplementSupplement for malnutritionONS provided to elderly patient
O196OMEOtitis Media with EffusionMiddle ear fluidOME monitored in pediatric patient
O197OPOrthopedic ProcedureBone/joint surgeryOP performed for fractured humerus
O198ODSOral Drug SolutionLiquid oral medicationODS prescribed for child
O199OAOpen Angle (Glaucoma)Type of glaucomaOA monitored via tonometry
O200OSDOcular Surface DiseaseEye surface disorderOSD managed with lubricating drops

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