Contents 1 A 2 B 3 C 4 D 5 E 6 F 7 G 8 H 9 I 10 J 11 K 12 L 13 M 14 N 15 O 16 P 17 Q 18 R 19 S 20 T 21 U 22 V 23 W 24 X 25 Y 26 Z

A Edit

Abbrv.	Meaning
Ampere
AABB	American Association of Blood Banks
ABD	Abdomen
AC	Alternating Current
ACD	Automated Call Distribution
A/D	Analog to Digital
ACK	Acknowledgement
ACLS	Advanced Cardiac Life Support
ACTY	Activity
ADSL	Asynchronous Digital Subscriber Line
Afib or AF	Atrial fibrillation
AE	Application Engineer
AGC	Automatic Gain Control
AI	Artificial Intelligence
AP	Anterior to Posterior
AM	Amplitude Modulation
AMD	Advanced Micro Devices
ANSI	American National Standards Institute
.ARC	Archive (file name extension)
AREF	A/D Converter Analog Reference pin
ARQ	Automatic Retransmission request
ASCII	American Standard Code for Information Interchange
ASEE	American Society for Engineering Education
ASIC	Application Specific Integrated Circuit
ASPI	Advanced SCSI Programming Interface
.ARJ	Compressed File (file name extension)
.ASP	Active Server Page (file name extension)
.ASPI	Advanced SCSI Programming Interface [SCSI device driver]
ATTRIB	Attribute (MSDOS Command)
ATAPI	AT Attachment Packet Interface [CDROM device driver]
ATDM	Asynchronous Time Division Multiplexing
ATM	Asynchronous Transfer Mode
AUI	Attached Unit Interface
AV	Atrio Venticular
AUTOEXEC.bat	Automatic Execution File

B Edit

Abbrv.	Meaning
.BAC	Backup (file name extension)
.BAT	Batch Processing (file name extension)
B	Magnetic Flux
BBS	Bulletin Board System
BCC	Block Check Character
BCD	Binary Coded Decimal
BE	Barium Enema
BJT	Bipolar Junction Transistor
BIOS	Basic Input/Output System
bps	Bits per Second
BP	Blood Pressure
BPM	Blood Pressure per Minute
BM	Bone Marrow or Bowel Movement
.BMP	Bitmap (file name extension) [Paintbrush Format]
BMR	Basal Metabolic Rate
BW	Body Weight
Bx	Biopsy

C Edit

Abbrv.	Meaning
.CAB	Cabinet (file name extension) [Microsoft]
CAD	Coronary Artery Disease
CAD	Computer-Aided Design
CBC	Complete Blood Count
CAM	Computer-Aided Manufacturing
CAM	Content Addressable Memory
CAP	College of American Pathology
CAS	Computer Assisted Surgery
CCD	Charge-coupled device
CDMA	Code Division Multiple Access
CD-ROM	Compact Disk Read Only Memory
CDMA	Code Division Multiple Access
CE	Clinical Engineer
CEMS	Clinical Equipment Management Systems
CHO	Carbohydrate
.CMD	Command (file name extension)
CMS	Centers for Medicare & Medicaid Services (CMS)
CMMS	Computerized Maintenance Management Software (CMMS)
CMOS	Complementary Metal-Oxide Semiconductor
.COM	Command (file name extension)
CR	Computed radiography
CRT	Cathode ray tube
CRRT	Continuous Renal Replacement Therapy (CRRT)
CSMA	Carrier Sense Multiple-Access
CSMA/CD	Carrier Sense Multiple-Access with Collision Detect
CO	Cardiac Output
C/O	Complaining Of
CXR	Chest X-ray

D Edit

Abbrv.	Meaning
.DAT	Data (file name extension)
D/A	Digital to Analog
dB	Decibel
dBm	dB referenced to 1 milliWatt
DC	Direct Current
DC	Discharged
.DCT	Dictionary (file name extension)
DEMUX	Demultiplexer
DEK	Data Encryption Key
DHCP	Dynamic Host Configuration Protocol
DI	Diabetes Insipidus
DICOM	Digital Imaging and Communications in Medicine
DM	Diabetes Mellitus
DNR	Do Not Resuscitate
DNS	Domain Naming System
DOA	Dead on Arrival
.DOC	Word Document
.DOCX	Word Document [office 2007]
DMA	Direct Memory Access
DOS	Disk Operating System
DPDT	Double-Pole Double-Throw (switch)
DPE	Data Parity Error
DPSK	Differential Phase Shift Keying
DRAM	Dynamic Random Access Memory
DR	Digital Radiography
.DRV or .DVR	Device Driver (file name extension)
.DRW	Drawing (file name extensions)
DVD	Digital Video Disk
DX	Diagnosis

E Edit

Abbrv.	Meaning
E	EMF
EBCDIC	Extended Binary Coded Decimal Interchange Code
ECC	Error Correction Code
ECL	Emitter-Coupled Logic
ECN	Engineering Change Notice
ECN	Equipment Control Number
ECO	Engineering Change Order
ECR	Engineering Change Request
EEPROM	Electrically Erasable Programmable Read-Only Memory
EEG	Electroencephalography
EPROM	Electrically Programmable Read Only Memory
EIA	Electronic Industries Association
EISA	Enhanced Industry Standard Architecture
EMI	Electromagnetic interference
ENT	Ear, Nose, Throat
EBCT	Empty Bed Contact Time
EMG	Electromyography
.ENC	Encoded (file name extension)
EPROM	Erasable Programmable Read-Only Memory
ESD	Electro-Static Discharge
EST	Electroshock Therapy
ESR	Erythrocyte Sedimentation Rate
ETT	Endotracheal Tube
.EXE	Executable (file name extension)

F Edit

Abbrv.	Meaning
f	frequency
FCC	Federal Communications Commission
FDA	Food and Drug Administration
FDD	Floppy Disk Drive
FET	Field Effect Transistor
FIFO	First-In, First-Out
FILO	First-In, Last-Out
FM	Frequency Modulation
FMEA	Failure Mode Effect Analysis
FO	Fiber Optics
Fx	Fracture

G Edit

Abbrv.	Meaning
.GIF	Graphics Interchange Format (file name extension)
GFCI	Ground Fault Circuit Interrupter
GI	Gastrointestinal
GND	Input Ground Supply Line
GSW	Gun Shot Wound
gtt	Drip

H Edit

Abbrv.	Meaning
HAI	Hospital Acquired Infection (also known as Nosocomial)
HCT	Hematocrit
HDD	Hard Disk Drive
HPLC	High Pressure Liquid Chromatography
HIS	Hospital information system
.HST	History + Host (file name extensions)
.HLP	Help (file name extension)

I Edit

Abbrv.	Meaning
ICD	Implantable cardioverter-defibrillator
ICRA	Infection Control Risk Assessment
IDE	integrated device electronics
ILSM	Interim Life Safety Measures
.IMG	Image Data (file name extension)
I/O	Input/Output
IRQ	Interrupt Request
ISDN	integrated services digital network
ISO	International Organization for Standardization
ISO	Independent Service Organizations

J Edit

Abbrv.	Meaning
J	Joule
JCAHO	JC Joint Commission
JFET	Junction Field Effect Transistor
JPEG	Joint Photographic Experts Group
JMAPI	Java Management Application Program Interface
J2ME	Java 2 Platform Micro Edition
JVM	Java Virtual Machine

K Edit

Abbrv.	Meaning
kT	noise power density
KW	Kilowatt
KWH	Kilo Watt Hour
KVA	Kilovolt-ampere
KVO	Keep Vein Open

L Edit

Abbrv.	Meaning
LAN	Local Area Network
LED	Light Emitting Diode
LIFO	Last In, First Out
LILO	Last In, Last Out
LIM	Line isolation monitor
LISTSERV	List Server [Internet]
LPT1	First Parallel Printer Port

M Edit

Abbrv.	Meaning
MAC	medium access control [sublayer]
MAN	Metropolitan area network
MOSFET	Metal Oxide Semiconductor Field Effect Transistor
MPEG	Moving Picture Experts Group
MIN	Mobile Identification Number
MP3	MPEG Audio Layer 3
MIDI	Musical Instrument Digital Interface
MRI	Magnetic Resonance Imaging
.MSP	Microsoft Paint (file name extension)
MUX	Multiplexer
mV	Millivolt

N Edit

Abbrv.	Meaning
NEC	National Electric Code
NEP	noise equivalent power
NetBIOS	Network Basic Input/Output System [IBM]
NetBEUI	NetBIOS Extended User Interface [IBM]
NFPA	National Fire Protection Agency
NFS	Network File System
NIST	National Institute of Standards and Technology
NiCad	Nickel-cadmium / NiCad Battery
NIC	Network interface Card
NOS	Network Operating System
NTFS	New Technology File System
NVRAM	Non-Volatile Random Access Memory

O Edit

Abbrv.	Meaning
OBD	On Board Diagnostics
OC	Open Collector
OCR	optical character recognition
OD	Outside Diameter or Optical Density
OEM	Original Equipment Manufacturer
OLED	Organic light-emitting diode
OPA	ortho-Phthalaldehyde
OVP	Operational Verification Procedure

P Edit

Abbrv.	Meaning
PA	Posterior to Anterior
PACS	Picture Archiving and Communication System
PBX	Private Branch Exchange
PBA	Physical Block Address
PCA	Patient-controlled analgesia Infusion Pump, PCA
PCI	Peripheral Component Interface
PCIe	Peripheral Component Interface express
PCMCIA	Personal Computer Memory Card International Association
.PDF	Portable Document Format
PEEP	Positive end-expiratory pressure
PET	Positron Emission Tomography PET Scan
PIPO	Parallel In, Parallel Out
PLC	Programmable Logic Controller
PM	Preventive Maintenance or Planned Maintenance
PNP	Plug And Play
POP	Point of Presence
.PPT	PowerPoint Show (file name extension)
.PPTX	PowerPoint Show (file name extension) Office 2007
PWL	Password List (file name extension)
PWM	Pulse Width Modulation

Q Edit

Abbrv.	Meaning
QoS	Quality of Service
QA	Quality Assurance

R Edit

Abbrv.	Meaning
RIS	Radiology Information System
RF	Radio frequency
RMS	Root Mean Square
RH	Relative Humidity
RST	Reset pin
RTC	Real Time Clock pin
RTS	Request to Send pin: A data communications signal (e.g. RS-232)
RO	Reverse Osmosis
RX	Receive pin
RXD	Receive pin
RZ	Return to Zero pin

S Edit

Abbrv.	Meaning
SCSI	Small computer systems interface
SD	Shutdown
SMT	Surface Mount Technology
SP+	Speaker input voltage (+) lead
SP-	Speaker ground (-) lead
.SYS	System Configuration (file name extension)

T Edit

Abbrv.	Meaning
T	Temperature
t	Time
T(O)	Oral Temperature
TTL	Transistor Transistor Logic
Tx	Treatment
TX	Transmit pin
TXD	Transmit pin
.TXT	Text File extension

U Edit

Abbrv.	Meaning
UDI	Unique Device Identification
USB	Universal Serial Bus
UPS	Uninterruptible Power Supply

V Edit

Abbrv.	Meaning
V	Volt
VAR	VARISTOR or variable resistor
Vbb	Input Voltage Battery Supply pin
VCC	Input Voltage Supply pin
VPN	Virtual Private Network
VNA	Vendor Neutral Archive
Vfib or VF	Ventricular fibrillation
VOIP	Voice Over Internet Protocol
V+	Input Voltage Positive Supply pin
V-	Input Voltage Ground/Negative Supply pin

W Edit

Abbrv.	Meaning
W	Watt (Power)
WAN	Wide Area Network
.WMA	Windows Media Audio (file name extension)
.WMV	Windows Video File (file name extension)

X Edit

Abbrv.	Meaning
X	Reactance
XCOPY	Extended Copy [MSDOS]
X-ray	Radiology
.XLS	Excel Spreadsheet
.XLSX	Excel Spreadsheet [office 2007]
X.25	A Protocol for Electronic Data Transmission

Y Edit

Abbrv.	Meaning
Y	As in a coordinate axis in a plane

Z Edit

Abbrv.	Meaning
Z	Zero
Z	Impedance
Z/D	Zero Defect
ZIF	Zero Insertion Force
.ZIP	Compressed File (file name extension)