I Iodine 碘
I-HMR In-hospital Mortality Rate 住院死亡率
I/E Inspiratory/Expiratory 吸呼比
I/O Input/Output 输入/输出
I/T Intensity/Time 强度/时间
IA Imaging Amplification 图像放大
IABC Intra-aortic Balloon Counterpulsation 主动脉内气囊反搏术
IABP Intra-aortic Balloon Pumping 主动脉内反搏球囊导管，主动脉气囊泵动法
IABPA Intra-aortic Ballon Pumping Assistance 气囊泵动辅助疗法
IABS Intra-aortic Balloon Pump Perfusion 主动脉球囊导管选择性灌注术
IAO Intake and Output 摄入与排出，摄取量和排出量
IAT Intraoperative Autologous Transfusion 术中失血回收
IB Internal Bremsstrahlung 内致辐射
IBA Indirect-radioimmune Binding Assay 间接放射免疫结合测定
IBI Inter-beat Intervals 心搏间期
IBP Initial Boiling Point 初沸点
IBS Image Brightness Stablizer 图像辉度稳定器
IBS Integral Backscatter 背向散射积分
IBS Intraoperative Blood Salvage 术中失血回收
IBS Ion Beam Scanning 离子束扫描
IC Impedance Cardiogram 心阻抗血流图
IC Indicating Controller 指令控制器
IC Input Circuit 输入电路
IC Input Current 输入电流
IC Inspiratory Capacity 深吸气量
IC Instruction Code 指令码
IC Instruction Counter 指令计数器
IC Integrated Circuit 集成电路
IC Integrated Concentration 积分浓度
IC Intensive Care 重症监护
IC Intravascular Coagulation 血管内凝固
IC Ion Chromatography 离子色谱法
IC Ionization Chamber 电离室
ICBU Intensive Care Baby Unit 婴儿重征监护病房或装置
ICCU Intensive Coronary Care Unit 危重冠心病监护病房或装置
ICD Implantable Cardioverter Defibrillator 植入型心律转复除颤器
ICD Intrauterine Contraceptive Device 子宫内避孕器
ICF Intensive Care Facility 危重病人监护装置
ICG Impedance Cardiography 心阻抗血流图
ICM Intravascular Contrast Media 血管造影剂
ICMS Intracortical Microstimulation 皮层内微电流刺激
ICN Intensive Care Nursery 危重婴儿护理室
ICO Impedance Cardiac Output 阻抗心输出量
ICP Inductively Coupled Plasma 感应耦合等离子区
ICP Intracardiac Phonocardiogram 心内心音图
ICP Intracellular Potential 细胞内电位
IcP Intracranium Pressure 颅内压
ICPQ Inductively Coupled Plasma Quantometer 感应耦合等离子区光谱分析仪
ICRT Intracoronary Radiation Therapy 冠状动脉内辐射疗法
ICS Induction Coil Sensitivity 感应线圈灵敏度
IcS Intercostal Space 肋间空间
IcS Intracerebral Stimulation 脑内刺激
ICSS Intracarnial Selfstimulation 颅内自身刺激
ICT Impedance Computed Tomography 阻抗计算机体层摄影术
ICT Insulating Core Transformer 绝缘铁心变压器
ICT Intracutaneous Test 皮内试验
ICU Intensive Care Unit 危重病人监护病房或装置
ICW Intra-cellular Water 细胞内液
ID Identification 鉴定，识别
ID Inner Diameter 内径
IDCT Inverse Discrete Cosine Transform 离散余弦反变换
IDD Insulin-dependent Diabetes 胰岛素依赖性糖尿病
IDDS Inpatient Discharge Data System 住院病人出院数据系统
IDE Investigational Device Exemption 器械临床研究豁免
IDES Image Dissector Echelette Spectrometer 图像分析阶梯光栅分光计
IDFT Inverse Discrete Fourier Transform 离散傅立叶反变换
IDI Interdischarge Interval 放电期间
IDMDD In Vitro Diagnostic Medical Device Directive 离体诊断医疗器械指令(欧共体)
IDMS Isotopic Dilution Mass Spectrometry 同位素稀释质谱测定法
IDPS Information Display Paper System 信息显示呼叫系统
IDS Identify Data Signal 识别数据信号
IDT Initial Delay Time 初始延时时间
IDUS Intraductal Ultrasonography 管内超声成像术
IDVC Indwelling Venous Catheter 留置静脉导管
IE Immuno-electrophoresis 免疫电泳
IE Index Error 指数误差，指标误差
IE Initial Echo 起始回波
IE Interface Echo 界面反射
IE Ionization Efficiency 离子化效率
IEA Immunoenzymatic Assay 免疫酶测定
IEC Injection Electrode Catheter 插入电极导管
IEC International Electrotechnical Commission 国际电工委员会
IEC Ion Exchange Chromatography 离子交换色谱测定法
IEC Ion Exclusion Chromatography 离子排斥色谱测定法
IEEE Institute of Electrical and Electronics Engineers 美国电机及电子工程师学
IEF Isoelectric Focusing 等电聚焦
IEM Immunoelectron Microscope 免疫电子显微镜
IEM Ion Exchange Medium 离子交换介质
IEM Ion Exchange Membrane 离子交换膜
IEMG Integrated Electromyogram 积分肌电图
IEOP Immuno-electroosmophoresis 免疫电渗电泳
IEP Immunoelectrophoresis 免疫电泳
IeP Isoelectric Point 等电点
IEPC Ion Exchange Paper Chromatography 离子交换纸色谱测定法
IER Inspiratory/Expiratory Ratio 吸 / 呼比
IER Ion Exchange Resin 离子交换树脂
IeR Isodose-effect Ratio 等剂量-效应比率
IERG Intraretinal Electrortetinogram 网膜内视网膜电图
IETLC Ion Exchange Thin-layer Chromatography 离子交换薄层色谱测定法
IF Ideal Fluid 理想流体
If Immunofluorescence 荧光免疫
IF Information Feedback 信息反馈
IF Intelligence Fusion 信息融合
IF Interference Filter 干扰滤光片
IF Intermediate Frequency 中频
IF-RT Involved Field Radiotherapy 局限野放射疗法
IFA Immunofluorescence Assay 荧光免疫测定
IFC Intermittent Flow Centrifugation 间断流量离心
IFFT Inverse Fast Fourier Transform 快速傅立叶反变换
IFM Immunofluorescence Microscopy 免疫荧光显微镜检查
IFM Indicating Flow Meter 流量指示计
IFM Internal Fetal Monitoring 胎内监测
IFME International Federation for Medical Electronics 国际医学电子学联合会
IFMEBE International Federation for Medical Electronics and Biological Engineering 国际医学电子学与生物工程学联合会
IFOV Instantaneous Field of View 瞬时视野
IFP Inside the Face Piece 面罩内
IFP Intermediate Frequency Preamplifier 中频前置放大器
IFP Interstitial Fluid Pressure 组织液压
IFR Inspiratory Flow Rate 吸气速率
IFT Immunofluorescence Technique 免疫荧光技术
IfT Immunofluorescence Test 免疫荧光试验
IFT International Frequency Tables 国际频率表
IFV Interstitial Fluid Volume 组织液量
IG Immunoglobulin 免疫球蛋白
Ig Isogram 等值线图
IGBT Insulated Gate Bipolar Transistor 绝缘栅双极晶体管
IGCD Isobaric Gas Counter Diffusion 等压气体逆向扩散
IGNS Image-guide Neurosurgical System 图像导引脑外科手术系统
IGS Image Guide Surgery 图像导引手术
IGSNS Image Guide Surgical Navigation System 图像导引手术导航系统
IH Interval Histogram 时间间隔直方图
IHAT Indirect Haemagglutination Test 间接血细胞凝集试验
IHR Intrinsic Heart Rate 固有心率
IHSW Irregular High Slow Wave 不规则高幅慢波
II Image Intensifier 影像增强器
IID Interaural Intensity Disparity 耳间强度差异
IIF Indirect Immuno fluorescent 间接荧光免疫
IIR Isotropic Imaging Resolution 各向同性分辨率
IIT Indirect Immunofluorescence Technique 间接荧光免疫技术
IIU Interantional Insulin Unit 国际胰岛素单位
IJP Internal Jugular Pressure 颈内静脉压
ILAMS Infrared Laser Atmospheric Monitoring System 红外激光大气监测系统
ILBBB Incomplete Left Bundle Branch Block 不完全性左束支传导阻滞
ILIB Intravascular Laser Irradiation on Blood 低能量激光血管内照射
ILLLIT Intravascular Low Level Laser Irradiation Therapy 低强度激光血管内照射疗
ILS Intermittent Light Stimulation 间歇性光刺激
ILS Isotope Liver Scan 同位素肝扫描
ILSA Ion Luminescence Spectroscopy for Analysis 分析用离子发光光谱学
ILSS Integrated Life Support System 综合性生命支持系统
IMAT Intensity Modulation Arc Therapy 调强弧形疗法
IMBC Indirect Maximum Breathing Capacity 间接最大呼吸量
IMBLMS Integrated Medical and Behavioral Laboratory Measurement System 综合医学与行为实验测量系统
IMF Immunofixation 免疫固定
Imf Immunofluorescence 免疫荧光
IMF Intense Magnetic Field 强磁场
IMF Intensity Modulation Function 强度调制函数
IMK Identification Mark 鉴别标志，鉴定特征
IMRT Intensity Modulation Radiated Therapy 调强放射疗法
IMS Integrated Manufacturing System 集成制造系统
IMS Irradiate Measuring System 照射测量系统
IMV Intermittent Mandatory Ventilation 间歇强制通气，间歇指令通气
IMV Intermittent Mechanical Ventilation 间歇机械通气
In Indium 铟
INAA Instrumental Neutron Activation Analysis 仪器中子活化分析
ING Intense Neutron Generator 强中子发生器
INL Integral Nonlinearity 积分非线性
INMS Intraneural Microstimulation 神经内微电流刺激
INP Intracellular Negative Potential 细胞内负电位
INPB Intermittent Negative Pressure Breathing 间歇性负压呼吸
INPRONS Information Processing in the Central Nervous System 中枢神经系统信息处理
INPV Intermittent Negative Pressure Assisted Ventilation 间歇性负压辅助通气
INTRAN Infrared Transmitting 红外线透射
IOD Immediate Oxygen Demand 直接需氧量
IODs Information Object Definition 信息对象定义
IOLS Intraocular Lenses 人工晶体
IOPA Intraocular Pressure Pulse Amplitude 眼内压脉冲幅度
IOR Intra-operative Radiotherapy 术中放射疗法
IORT Intraoperative Radiotherapy 术中放射疗法
IP Ice Point 冰点
IP Imaging Plate 成像板
IP Impedance Plethysmography 阻抗体积描记法
IP Inspiratory Pause 吸气间歇
IP Instantaneous Pressure 瞬时压力
IP Internet Protocol 网际协议
IP Ionic Potential 离子电位
IP Ionization Potential 电离电位
IP Isoelectric Point 等电点
IPA Interaction Process Analysis 相互作用过程分析
IPC Intermittent Pneumatic Compression 间歇气压疗法
IPD Isotope Powered Device 同位素动力装置
IPD Intermittent Peritoneal Dialysis 间歇腹膜透析
IPD Internal Protective Device 个体防护器具
IPG Impedance Plethysmogram 阻抗容积描记法
Ipg Impedance Plethysmograph 阻抗容积描记器
IPg Impedance Pneumography 阻抗充气造影术
IPG Implantable Pulse Generator 植入式脉冲发生器
IPI Interpotential Interval 电位间隔
IPIP Implant Procession Injection Pump 可编程植入注射泵
IPK Intrastromal Photorefractive Keratectomy 基质内光折射角膜切除术
IPM Inches Per Minute 英寸/分钟
IPNPB Intermittent Positive Negative Pressure Breathing 间歇性正负压呼吸
IPNPV Intermittent Positive Negative Pressure Ventilation 间歇性正负压通气
IPP Intermittent Positive Pressure 间歇性正压
IPPB Intermittent Positive Pressure Breathing 间歇性正压呼吸
IPPB/I Intermittent Positive Pressure Breathing / Inspiratory 间歇性正压呼吸/吸气
IPPO Intermittent Positive Pressure Inflation with Oxygen 间歇性正压充氧
IPPR Intermittent Positive Pressure Respiration 间歇性正压呼吸
IPPV Intermittent Positive Pressure Ventilation 间歇性正压通气，周期性正压通气
IPR Impedance Pulmonary Rheogram 肺阻抗血流图
IPS Image Processing Select 图像处理选择
IPS Intermittent Photic Stimulation 间歇性光刺激
IPSF Immediate Post-surgical Fitting 术后即刻装配
IPU Information Processing Unit 信息处理系统
IQ Installation Qualification 安装合格
IQ Intelligence Quotient 智力商数，智商
IR Incidence Rate 发生率，发病率
IR Index of Resistance 电阻指数
IR Index of Response 反应指数
IR Index Register 变址寄存器
IR Induction Regulation 感应调压
IR Information Retrieval 信息检索
IR Infrared Radiation 红外线辐射
IR Infrared 红外
IR Interventional Radiology 介入性放射学
IR Inversion Recovery 翻转复原
IR Ionizing Radiation 电离辐射
Ir Iridium 铱
IRA Immunoradiometric Assay 免疫放射测定
IRC Infrared Countermeasures 红外线干扰措施
IRC Inspiratory Reserve Capacity 吸气储备量
IRC International Red Cross 国际红十字会
IREWS Infrared Early Warning System 红外线早期警报系统
IRFGR Inversion Recovery Fast GRASS (MRI)快速梯度回波序列之一，(GE公司开发)
IRH Infrared Heater 红外加热器
IRI Inversion Recovery Imaging 翻转复原成像
IRL Infrared Lamp 红外线灯
IRMA Immediate Response Mobile Analysis 即时响应活动分析
IRMA Immission Rate Measuring Apparatus 注入速度测定装置
IrmA Immunoradiometric Analysis 免疫放射分析
IrmA Immunoradiometric Assay 免疫放射测定
IRP Incus Replacement Prosthesis 人工砧骨，砧骨假体
IRQC Infrared Quantum Counter 红外量子计数器
IRS Infrared Spectroscopy 红外光谱学
IRSP Infrared Spectrometer 红外光谱仪，红外分光光度计
IRT Infrared Radiation Thermometer 红外辐射温度计
IrT Infrared Thermogram 红外热像图，红外温度记录图
IRT Isovolumic Relaxation Time 等容舒张时间
IrT Infrared Thermometer 红外温度计
IrT Infrared Transillumination 红外透明法
IRT Isovolumic Relaxation Time 等容弛缓时间
IRU International Radium Unit 国际镭单位
IRV Inspiratory Reserve Volume 吸气储备容积
ISA Ionic Strength Adjuster 离子强度调节器
ISDN Integrated Services Digital Network 综合业务数字网络
ISE Ion Selective Electrode 离子选择电极
ISFET Ion Sensitive Field Effective Transistor 离子敏感场效应晶体管
ISI Interspike Interval 峰间期
ISIH Interspike Interval Histogram 峰峰间距直方图
IsIH Interstimulus Interval Histogram 刺激间期直方图
ISIS Image Selected In Vivo Spectroscopy 在体选择图像光谱术
ISLM Impulse-sound Level Meter 脉冲声级仪
ISM Ion Selective Microelectrode 离子选择性微电极
ISM Ion Selective Micropipette 离子选择性微量滴管
ISM Ion Sensitive Microelectrode 离子敏感微电极
ISO International Standardization Organization 国际标准化组织
ISOENZ Isoenzyme 同工酶
ISP Image Select Profile 图像选择轮廓
ISp Infrared Spectrophotometer 红外分光光度计
ISP Isotope Seperation Power 同位素分离率
ISS Ion Scattering Spectroscopy 离子散射光谱学
ISSN International Standard Serial Number 国际标准期刊编号
ISV Interstitial Volume 间隙容量
IT Immunity Test 免疫试验
IT Immunotherapy 免疫疗法
IT Implantation Test 植入试验
IT Information Technology 信息技术
IT Inhalation Test 吸入试验
IT Inhalation Therapy 吸入疗法
IT Insulating Transformer 绝缘变压器
IT Interfacial Tension 界面张力
IT Intermedium Type 中间型
IT Intratracheal Tube 气管内插管
IT Isomeric Transition 同质异能跃迁
ITD Interchannel Time Difference 通道间时差
ITI Intertrial Interval 试验间期
ITLC Instant Thin-layer Chromatography 瞬时薄层色谱测定法
ITM Immunoturbidimetry 免疫比浊测定法
ITP Isotachophoresis 等速电泳
ITPS Inverse Treatment Planning System 逆向放射治疗计划系统
ITT Indicator Time Test 指示剂时间试验
ITU Intensive Therapy Unit 重危病人治疗病房
ITV Inspiration Impedance Threshold Valve 吸气阻抗阈控活瓣
IU Immunizing Unit 免疫单位
IU International Unit 国际单位
IU Intrauterine 子宫内的
IU/L International Unit Per Liter 国际单位/升
IUC Indwelling Urethal Catheterization 留置尿道导管插入术
IUCD Intrauterine Contraceptive Device 宫内节育器
IUD Intrauterine Contraceptive Device 宫内节育器
IUI Intermittent Ultrasound Imaging 间歇超声成像
IV Initial Velocity 初始速度
IV Intravenous 静脉内的
IV Intrinsic Viscosity 固有粘度
IV Invasive 侵入式的，损伤性的
IV Iodine Value 碘值
IVC Inferior Vena Cavagram 下腔静脉图
IVC Inspired Vital Capacity 吸气肺活量
IVCP Inferior Vena Cava Pressure 下腔静脉压
IVH Intravenous Hyperalimentation 静脉内高营养
IVI Intravenous Infusion 静脉输注
IVIM Intravoxel Incoherent Motion Imaging 体素内不一致运动成像
IVNAA In Vivo Neutron Activation Analysis 活体内中子活化分析
IVP Idioventricular Pacemaker 心室内自主起搏点
IVP Intravenous Pyelogram 静脉注射肾盂造影图
IVP Ion Vacuum Pump 离子真空泵
IVPF Isovolume Pressure Flow 等容压力流量
IVR Idioventricular Rhythm 心室自主节律
IVR Intermittent Vacuum Regulator 间歇真空调节器
IVR Interventional Radiography 介入放射学
IVR Isovolumic Relaxation 等容弛缓
IVRT Involved-field Radiotherapy 局限野放射疗法
IVS Intravaginal Electrical Stimulation 阴道内电刺激
IVT Intravenous Transfusion 静脉输液
IVUS Intravascular Ultrasound 血管内超声
IVVH Intermittent Venou-venous Hemofiltration 间歇性静脉-静脉血液滤过
IW Isotopic Weight 同位素量
IWB Index of Well-being 健康指数
IX Index 指数，索引