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Dictionary of Medical Acronyms & Abbreviations
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[ I ]
- ISMN isosorbide mononitrate
- ISMO International Society of Mental Health Online [telemedicine]
- ISN integrated service network; International Society of Nephrology; International Society of Neurochemistry
- ISO incident safety officer; International Organization for Standardization; isoprenaline
- iso isoproterenol; isotropic
- ISOBM International Society of Oncodevelopmental Biology and Medicine
- isol isolation, isolated
- isom isometric
- ISO-OSI International Organization for Standardization-Open Systems Interconnect
- ISP distance between iliac spines; international standardized profile; Internet service provider; interspace; interstitial pressure; intraspinal; isoproterenol
- Isp spatial peak intensity [pulse]
- ISPCR in situ polymerase chain reaction
- ISPI integrated services protocol instrument
- ISPO International Society for Prosthetics and Orthotics
- ISPOCD International Study of Postoperative Cognitive Dysfunction
- ISPOT International Study of Perioperative Transfusion
- Isppa spatial peak, pulse average intensity
- Ispta spatial peak, temporal average intensity [pulse]
- ISPS International Society of Pediatric Surgery
- ISPT interspecies ovum penetration test
- isq unchanged [Lat. in status quo]
- ISR image service representative; information storage and retrieval; Institute for Sex Research; Institute of Surgical Research; insulin secretion rate; intelligent stroke registry
- ISRE interferon-stimulated response element
- ISRI Information Science Research Institute
- ISRM International Society of Reproductive Medicine
- ISS idiopathic short stature; infantile sialic acid storage [disease]; inferior sagittal sinus; injury severity scale; injury severity score; instructional support services; International Society of Surgery; invasive surgical staging; ion-scattering spectroscopy; ion surface scattering; isotonic saline solution
- ISSCBW Inter-Service Sub-Committee on Biological Warfare [UK]
- ISSD infantile sialic acid storage disease
- ISSHP International Society for the Study of Hypertension in Pregnancy
- ISSI interspinous surgical staging; interview schedule for social interaction; Israeli Study of Surgical Infections
- ISSIR International Society of Sexual and Impotence Research
- ISSN international standard serial number
- ISSX International Society for the Study of Xenobiotics
- IST inappropriate sinus tachycardia; insulin sensitivity test; insulin shock therapy; International Society on Toxicology; International Stroke Trial; Internet Security Team; isometric systolic tension
- IS&T Society for Imaging Science and Technology
- ISTAHC International Society of Technology Assessment in Healthcare
- ISTC [Department of] Industry, Science and Technology of Canada
- ISTD International Society of Tropical Dermatology
- ISTU isometric strength testing unit
- ISU International Society of Urology
- I-sub inhibitor substance
- ISUP International Society of Urological Pathology
- ISV integrated simulation and verification
- ISVP infectious subviral particle; intermediate subviral particle
- ISW interstitial water
- ISWI incisional surgical wound infection
- ISY intrasynovial
- IT iliotibial; immunological test; immunotherapy; immunotoxin; implantation test; individual therapy; inferior turbinate; information technology; inhalation test; inhalation therapy; injection time; insulin therapy; intensive therapy; intentional tremor; intermittent traction; internal telomere; interstitial tissue; intradermal test; intratesticular; intrathecal; intrathoracic; intratracheal; intratracheal tube; intratuberous; intratumoral; ischial tuberosity; isolation transformer; isomeric transition
- I/T information technology; intensity/time
- I&T intolerance and toxicity
- IT2 Internet technology for the twenty-first century
- I-T interrupter technique
- ITA inferior temporal artery; information transmission analysis; internal thoracic artery; International Tuberculosis Association
- Ita temporal average intensity [pulse]
- ITAM immunoreceptor tyrosine activation motif
- ITAV Itaituba virus
- ITB iliotibial band
- ITC imidazolyl-thioguanine chemotherapy; inferior temporal cortex; Interagency Testing Committee; information and communication technology; in the canal [hearing aid]; intrathecal chemotherapy; isothermal titration calorimetry; isothiocyanate
- ITc International Table calorie
- ITCM information technology for crises management teams
- ITCP idiopathic thrombocytopenic purpura
- ITCVD ischemic thrombotic cerebrovascular disease
- ITD idiopathic torsion dystonia; intensely transfused dialysis; iodothyronine deiodinase
- ITE information technology equipment; insufficient therapeutic effect; in the ear [hearing aid]; in-training examination; intrapulmonary interstitial emphysema
- ITEA intermittent thoracic epidural anesthesia
- ITEM information and communication technology for medicine
- ITET isotonic endurance test
- ITF Interagency Tack Force [Department of Health and Human Services]; interferon
- ITFS iliotibial tract friction syndrome; incomplete testicular feminization syndrome
- ITG integrin
- ITGA integrin alpha
- ITGB integrin beta
- ITH interstitial hyperthermia
- ITh, ith intrathecal
- IThP intrathyroidal parathyroid
- ITI inter-alpha-trypsin inhibitor; International Trachoma Initiative; intertrial interval
- ITIH2 inter-alpha-trypsin inhibitor, heavy chain 2
- ITIL inter-alpha-trypsin inhibitor, light chain
- ITIM immunoreceptor tyrosine-based inhibition motif
- ITIV Itimirim virus
- ITL information technology laboratory
- ITLC instant thin-layer chromatography
- ITM improved Thayer-Martin [medium]; intermediate transient memory; intrathecal methotrexate; Israel turkey meningoencephalitis
- ITMTX intrathecal methotrexate
- ITO indium tin oxide
- I(to) transient outward current [heart electrical activity]
- ITOU intensive therapy observation unit
- ITP idiopathic thrombocytopenic purpura; immune thrombocytopenia; immunogenic thrombocytopenic purpura; increased torque production; individualized treatment plan; inosine triphosphate; inositol 1,4,5-triphosphate; islet-cell tumor of the pancreas; isotachophoresis
- Itp temporal peak intensity [pulse]
- ITPA Illinois Test of Psycholinguistic Abilities; inosine triphosphatase
- ITPASMT International Tissue Plasminogen Activator/Streptokinase Mortality Trial
- ITPK inositol 1,4,5-triphosphate-3-kinase
- ITPKA inositol 1,4,5-triphosphate-3-kinase A
- ITPKB inositol 1,4,5-triphosphate-3-kinase B
- ITPR inositol 1,4,5-triphosphate receptor
- ITPV intratracheal pulmonary ventilation; Itaporanga virus
- ITQ inferior temporal quadrant
- ITQV Itaqui virus
- ITR intraocular tension recorder; intratracheal; inverted terminal repeat; isotretinoin
- ITRI Inhalation Toxicology Research Institute
- ITS infective toxic shock; insulin-transferrin-selenium; intelligent [computer-assisted] tutoring system; International Twin Study; Israeli Thrombolytic Survey
- ITSHD isolated thyroid-stimulating hormone deficiency
- ITT insulin tolerance test; intent to treat; internal tibial torsion
- IT&T information technology and telematics
- ITU intensive therapy unit; International Telecommunication Union; international toxic unit
- ITUV Itupiranga virus
- ITV inferior temporal vein
- IU immunizing unit; infection unit; integral uniformity; international unit [JCAHO unapproved abbreviation]; intrauterine; in utero; 5-iodouracil
- iu infectious unit
- IUA intrauterine adhesions
- IUAT International Union Against Tuberculosis
- IUB International Union of Biochemistry
- IUBS International Union of Biological Sciences
- IUC idiopathic ulcerative colitis; intrauterine catheter; inward unidirectional current
- IUCD intrauterine contraceptive device
- IUD intrauterine death; intrauterine device
- IUDR, IUdR iodeoxyuridine
- IUF isolated ultrafiltration
- IUFB intrauterine foreign body
- IUG infusion urogram; intrauterine gas; intrauterine growth
- IUGR intrauterine growth rate; intrauterine growth retardation
- IUI intrauterine insemination
- IUIS International Union of Immunological Societies
- IU/L international units per liter
- IUM internal urethral meatus; intrauterine [fetus] malnourished; intrauterine membrane
- IU/min international units per minute
- IUP intrauterine pregnancy; intrauterine pressure
- IUPAC International Union of Pure and Applied Chemistry
- IUPAP International Union of Pure and Applied Physics
- IUPAT intrauterine pregnancy at term
- IUPD intrauterine pregnancy delivered
- IUPESM International Union for Physical and Engineering Sciences in Medicine
- IUPHAR International Union of Pharmacology
- IUPS International Union of Physiological Sciences
- IUPTB intrauterine pregnancy, term birth
- IURES International Union of Reticuloendothelial Societies
- IUT intrauterine transfusion
- IUVDT International Union against Venereal Diseases and the Treponematoses
- IV endometrial carcinoma extending outside the true pelvis or involving the bladder and rectum [International Federation of Gynecologists and Obstetricians (FIGO) classification]; ichnovirus; ichthyosis vulgaris; immunodeficiency virus; initial visit; interventricular; intervertebral; intravaginal; intravascular; intravenous; intraventricular; intravertebral; invasive; in vivo; in vitro; involvement of one or more extralymphatic organs [Ann Arbor staging system for Hodgkin disease]; iodine value; iridescent virus; iridovirus; isometric virus; symbol for class 4 controlled substances
- iv intravascular; intravenous
- IVA interpretative value analysis; intraoperative vascular angiography; isovaleric acid
- IVa endometrial carcinoma spreading to adjacent organs [International Federation of Gynecologists and Obstetricians (FIGO) classification]; vaginal carcinoma with metastases to adjacent organs [International Federations of Gynecologists and Obstetricians (FIGO) classification]
- IVACG International Vitamin A Consultative Group
- IVAP in-vivo adhesive platelet
- IVAS intracorporeal ventricular assist system
- IVB intraventricular block
- IVb endometrial carcinoma spreading to distant organs [International Federation of Gynecologists and Obstetricians (FIGO) classification]; vaginal carcinoma with metastases to distant organs [International Federation of Gynecologists and Obstetricians (FIGO) classification]
- IVBAT intravascular bronchioalveolar tumor
- IVBC intravascular blood coagulation
- IVC inferior vena cava; inspiratory vital capacity; integrated vector control; intravascular coagulation; intravenous cholangiogram, intravenous cholangiography; intraventricular catheter
- IVCC intravascular consumption coagulopathy
- IVCD intraventricular conduction defect
- IVCH intravenous cholangiography
- IVC-LA inferior vena cava and left atrium
- IVCP inferior vena cava pressure
- IVCR inferior vena cava reconstruction
- IVCT inferior vena cava thrombosis; intravenously enhanced computed tomography
- IVCV inferior venacavography; Ivy vein clearing virus
- IVD interactive videodisk; intervertebral disc; in vitro diagnostic device
- IVDA/IVDU intravenous drug abuse/ abuser---intravenous drug use/user
- IVDSA intravenous digital subtraction angiography
- IVET in vivo expression technology
- IVF interventricular foramen; intervertebral foramen; intravascular fluid; intravenous fluid; in vitro fertilization
- IVFA intravenous fluorescein angiography
- IVF-ET in vitro fertilization-embryo transfer
- IVGG intravenous gammaglobulin
- IVGTT intravenous glucose tolerance test
- IVH intravenous hyperalimentation; intraventricular hemorrhage; in vitro hyperploidy
- IVI intravenous infusion
- IVIG, IVIg, ivIG intravenous immunoglobulin
- IVISTAT Intravenous Immunoglobulin or Sulfamethaxazole/Trimethoprim as Additional Therapy for Systemic Vasculitis [study]
- IVJC intervertebral joint complex
- IVL intravascular lymphomatosis; involucrin
- I-VLBW intubated very low birthweight
- IVM intravascular mass; in vitro maturation
- IVMG intravenous magnesium sulfate
- IVMP intravenous methylprednisolone
- IVN intravenous nutrition
- IVNA in vivo neutron activation [analysis]
- IVNAA in vivo neutron activation analysis
- IVNR interventional neuroradiology
- IVOTTS Irvine viable organ-tissue transport system
- IVOX intravascular oxygenator
- IVP intravenous push; intravenous pyelogram, intravenous pyelography; intraventricular pressure
- IVPB intravenous piggyback
- IVPF isovolume pressure flow curve
- IVPSB International Veterinary Pathology Slide Bank
- IVR idioventricular rhythm; interactive voice response; intravaginal ring; isolated volume responder
- IVRA intravenous regional anesthesia
- IVRT isovolumic relaxation time
- IVS inappropriate vasopressin secretion; intervening sequence; interventricular septum; intervillous space
- IVSA International Veterinary Students Association
- IVSCT in vitro skin corrosivity test
- IVSD interventricular septal defect; intraventricular septum in diastole
- IVST intraventricular septal thickness
- IVT index of vertical transmission; interventional video tomography; interventricular trigone; intrasound vibration test; intravenous transfusion; intraventricular; in vitro tetraploidy; isovolumetric time
- IVTT in vitro transcription and translation
- IVTTT intravenous tolbutamide tolerance test
- IVU intravenous urography
- IVUS intravascular ultrasound
- IVUS/QCA Intravascular Ultrasound Quantitative Coronary Angiography [study]
- IVV influenza virus vaccine; intravenous vasopressin
- IVW image-viewing workstation
- IW inner wall; inpatient ward; input word
- IWB indeterminate Western blot [test]; index of well being
- IWGMT International Working Group on Mycobacterial Taxonomy
- IWHS Iowa Women's Health Study
- IWI inferior wall infarction; interwave interval
- IWL insensible water loss; inter-wave latency
- IWMI inferior wall myocardial infarct
- IWPS info-window presentation system
- IWRP Individualized Written Rehabilitation Program
- IWS Index of Work Satisfaction
- IXDB X Chromosome Integrated Database
- IZ infarction zone