Medical Abbreviations Starting With "E"

This page lists 247 medical abbreviations starting with "E", each with its full form and a plain-English meaning. Where one abbreviation has more than one common meaning, each meaning has its own row — context in the chart is what tells them apart. Terms flagged ⚠ Error-prone are on recognised error-prone lists and should be written out in full. Use the filter box to narrow this list, the search on the main guide to search all 5,715 entries, or jump to another letter:

A B C D F G H I J K L M N 0–9 O P Q R S T U V W X Y Z

Abbreviation	Full form	What it means	Used in
E cylinder	E cylinder (oxygen tank)	Standard portable oxygen bottle size	Respiratory Nursing
E/e'	E to e prime ratio	Echo estimate of heart filling pressure	Cardiology Radiology & Imaging
E2	estradiol	Main oestrogen hormone	Endocrinology Laboratory Obstetrics & Gynecology
EA	esophageal atresia	Birth defect where the food pipe does not connect to the stomach	Pediatrics Surgery Gastroenterology
EAC reconstruction	external auditory canal reconstruction	Rebuilding the ear canal	Surgery
EACA	epsilon-aminocaproic acid	Older clot-stabilizing drug	Prescription & Medication Orders Hematology & Oncology
eAG	estimated average glucose	Glucose average estimated from A1C	Laboratory Endocrinology
early decel	early deceleration (fetal)	Heart dip mirroring a contraction, from head pressure	Obstetrics & Gynecology Nursing
early-onset sepsis	early-onset sepsis (newborn)	Infection in the first days of life	Pediatrics Infectious Disease Emergency & Critical Care
EASI	Eczema Area and Severity Index (score)	Eczema severity score — score	Pediatrics
eating disorders group	eating disorders (AN/BN/BED group)	Restrictive and binge eating condition group	Psychiatry Pediatrics
EBB	endobronchial biopsy	Sampling an airway lesion through a scope	Respiratory
EBL	estimated blood loss	Approximate amount of blood lost during a procedure	Surgery Emergency & Critical Care
EBM	expressed breast milk	Pumped mother's milk	Pediatrics Nursing Obstetrics & Gynecology
EBNA	Epstein-Barr nuclear antigen	Antibody appearing later after mono infection	Laboratory Infectious Disease
EBOV	Ebola virus	Filovirus causing hemorrhagic fever outbreaks	Infectious Disease Laboratory
EBRT	external beam radiation therapy	Radiation delivered from outside the body	Hematology & Oncology Radiology & Imaging
Ebstein	Ebstein anomaly (tricuspid)	Downward displaced tricuspid valve	Pediatrics Cardiology
EBUS	endobronchial ultrasound	Scope with ultrasound used to sample tissue near the airways	Respiratory
EBUS TBNA	endobronchial ultrasound transbronchial needle aspiration	Scope-ultrasound sampling of chest nodes	Respiratory Surgery Radiology & Imaging
EBV	Epstein-Barr virus	Virus causing glandular fever	Infectious Disease
EBV VCA	Epstein-Barr viral capsid antigen	Antibody target in mono testing	Laboratory Infectious Disease
EC	emergency contraception (method)	Post-intercourse pregnancy prevention — method	Obstetrics & Gynecology Prescription & Medication Orders
EC	epirubicin cyclophosphamide	Breast cancer chemotherapy combination	Hematology & Oncology Prescription & Medication Orders
ECA	external carotid artery	Neck artery to the face and scalp	Neurology General Medical
ECC	endocervical curettage	Scraping of tissue from the cervical canal for testing	Obstetrics & Gynecology Laboratory
ECC	epicutaneous caval catheter (neonatal PICC)	European term for a newborn central line	Pediatrics Nursing
ECC dental	early childhood caries (diagnosis)	Severe toddler tooth decay	Pediatrics
ECCE	extracapsular cataract extraction	Older cataract removal technique	General Medical Surgery
ECD	endocardial cushion defect (AV canal)	Alternate name for the canal defect	Pediatrics Cardiology
ECG	electrocardiogram	Recording of the heart's electrical activity	Cardiology
Echo	echocardiogram	Ultrasound scan of the heart	Radiology & Imaging Cardiology
ECMO	extracorporeal membrane oxygenation	Machine that oxygenates blood outside the body	Cardiology Respiratory Emergency & Critical Care
ECMO neonate	neonatal ECMO (rescue)	Heart-lung bypass rescue for babies	Pediatrics Emergency & Critical Care Surgery
ECOG	Eastern Cooperative Oncology Group score	Scale of how much cancer affects daily activity	Hematology & Oncology
ECOG test	electrocochleography (Meniere test)	Ear electrical test supporting Meniere disease	Neurology
ECP	extracorporeal photopheresis	Light treatment of collected white cells for GVHD and skin lymphoma	Hematology & Oncology
ECRB	extensor carpi radialis brevis (muscle)	Short wrist extending muscle	Musculoskeletal
ECRL	extensor carpi radialis longus (muscle)	Wrist extending muscle	Musculoskeletal
ECT	electroconvulsive therapy	Controlled electrical treatment given under anaesthesia	Neurology Psychiatry
ecthyma	ecthyma (deeper impetigo)	Ulcerated deeper skin infection	Pediatrics Infectious Disease
ECTR	endoscopic carpal tunnel release	Scope-based wrist release	Surgery Musculoskeletal
ECU	extensor carpi ulnaris (muscle)	Pinky-side wrist extending muscle	Musculoskeletal
ECV procedure	external cephalic version (procedure)	Turning a breech baby by hand — procedure	Obstetrics & Gynecology
eczema	atopic dermatitis (diagnosis)	Itchy allergic skin condition — diagnosis	Pediatrics Infectious Disease
eczema herpeticum	eczema herpeticum (complication)	Herpes spreading over eczema — complication	Pediatrics Infectious Disease Emergency & Critical Care
ED	eating disorder	Condition involving disturbed eating and body image	Psychiatry
ED	emergency department	Hospital department for urgent and emergency care	Emergency & Critical Care
ED	erectile dysfunction	Difficulty achieving or keeping an erection	Renal & Nephrology
ED&C	electrodessication and curettage	Scraping and burning a superficial skin cancer	Surgery
EDACS	Eating and Drinking Ability Classification System	Cerebral palsy eating safety levels	Pediatrics Neurology
EDACS	Emergency Department Assessment of Chest Pain Score	Accelerated chest pain rule-out score	Cardiology Emergency & Critical Care
EDC	extensor digitorum communis (muscle)	Finger extending muscle	Musculoskeletal
EDD	estimated date of delivery	Predicted date when a baby is expected to be born	Obstetrics & Gynecology
EDD calc	estimated date of delivery (calculation)	Due date working-out	Obstetrics & Gynecology
Edema grading	oedema grading	Scale grading swelling by depth of pitting	Vitals & Assessment Renal & Nephrology Cardiology
edematous malnutrition	edematous malnutrition (term)	Swelling form of severe malnutrition	Pediatrics
EDH	epidural hematoma	Blood collecting between the skull and the brain covering	Neurology Emergency & Critical Care
Edinburgh scale	Edinburgh Postnatal Depression Scale	Postpartum depression screening questionnaire	Psychiatry Obstetrics & Gynecology
EDL	extensor digitorum longus (muscle)	Toe-lifting muscle	Musculoskeletal
EDS	Ehlers-Danlos syndrome	Group of inherited conditions causing flexible joints and stretchy skin	Musculoskeletal
EDSS	Expanded Disability Status Scale	Score of disability in multiple sclerosis	Neurology
EDW	estimated dry weight (dialysis)	Clinician-set target dialysis weight	Renal & Nephrology
EEG	electroencephalogram	Recording of the brain's electrical activity	Neurology
EENT	eye, ear, nose and throat	Combined examination of these areas	General Medical
EF	ejection fraction	Percentage of blood the heart pumps out with each beat	Cardiology
eFAST	extended FAST	Trauma ultrasound extended to the chest	Radiology & Imaging Emergency & Critical Care
eFAST	extended focused assessment with sonography for trauma	Extended bedside ultrasound scan in trauma	Emergency & Critical Care Radiology & Imaging
effluent	effluent (dialysis waste fluid)	Waste fluid leaving a dialysis filter	Renal & Nephrology Emergency & Critical Care
effluent dose	effluent dose (CRRT intensity)	Prescribed continuous therapy intensity	Renal & Nephrology Emergency & Critical Care
EFM	electronic fetal monitoring	Continuous recording of the baby's heart rate and contractions	Obstetrics & Gynecology
eFONA	emergency front of neck access	Scalpel airway in a can't-intubate emergency	Emergency & Critical Care Surgery
EFS	event-free survival	Time lived without a defined event such as relapse	Hematology & Oncology
EFW	estimated fetal weight	Ultrasound-calculated fetal weight	Obstetrics & Gynecology Radiology & Imaging
EGA	estimated gestational age	How far along the pregnancy is judged to be	Obstetrics & Gynecology
EGD	esophagogastroduodenoscopy	Camera examination of food pipe, stomach and upper intestine	Gastroenterology Surgery
EGFR	epidermal growth factor receptor	Protein targeted by some cancer medicines	Hematology & Oncology Laboratory
eGFR	estimated glomerular filtration rate	Estimate of how well the kidneys filter blood	Laboratory Renal & Nephrology
EGID	eosinophilic gastrointestinal disorders	Allergic gut inflammation family	Pediatrics Gastroenterology
EGPA	eosinophilic granulomatosis with polyangiitis	Blood vessel inflammation with asthma and high eosinophils	Respiratory
EHDI	Early Hearing Detection and Intervention	Program ensuring hearing follow-up	Pediatrics
EHEC	enterohemorrhagic Escherichia coli	Type of E. coli that can cause bloody diarrhoea and kidney complications	Infectious Disease Gastroenterology
EHL	extensor hallucis longus (muscle)	Big-toe lifting muscle	Musculoskeletal
EHR	electronic health record	Digital version of a patient's medical chart	General Medical
EHRA	European Heart Rhythm Association score	Symptom score for atrial fibrillation	Cardiology Vitals & Assessment
EI	early intervention	Services that help infants and young children with developmental delays	Pediatrics
EIA	enzyme immunoassay	Common antibody/antigen lab method	Laboratory General Medical
EIA	external iliac artery	Artery continuing into the leg	General Medical Radiology & Imaging
Eisenmenger	Eisenmenger syndrome (physiology)	Reversed shunt from lung pressure — physiology	Pediatrics Cardiology
EJV	external jugular vein	Neck vein visible under the skin	Emergency & Critical Care
EKG	electrocardiogram	Recording of the heart's electrical activity	Cardiology
eKt/V	equilibrated Kt/V (measure)	Rebound-adjusted dialysis dose	Renal & Nephrology Laboratory
ELBW	extremely low birth weight	Birth weight below 1,000 grams	Pediatrics
ELCS	elective cesarean section	Planned cesarean delivery	Obstetrics & Gynecology Surgery
ELD	external lumbar drainage (NPH trial)	Multi-day fluid drainage trial for NPH	Neurology Surgery
electrical burn child	electrical burn (cord/oral)	Mouth corner burn from chewing cords	Pediatrics Surgery Emergency & Critical Care
ELISA	enzyme-linked immunosorbent assay	Lab test using antibodies to detect substances	Laboratory Infectious Disease
Elix	elixir	Clear sweetened liquid form of medicine	Prescription & Medication Orders
ELM	external laryngeal manipulation	Hand pressure on the neck improving the view	Emergency & Critical Care Respiratory
ELN	European LeukemiaNet risk	Genetic risk classification for AML	Hematology & Oncology
eloped	eloped (left unnoticed)	Patient left the unit without staff knowledge	Nursing Psychiatry
elopement precautions	elopement precautions	Measures preventing a patient leaving unsafely	Nursing Psychiatry
ELTS	EUTOS long-term survival score	CML lifetime risk score	Hematology & Oncology
EMA	endomysial antibody	Blood antibody test for coeliac disease	Gastroenterology Laboratory
EMA ab	endomysial antibody (celiac)	Confirmatory celiac blood test	Pediatrics Gastroenterology Laboratory
eMAR	electronic medication administration record	Digital chart recording medicines given	Nursing Prescription & Medication Orders
EMB	endometrial biopsy	Sampling of the lining of the uterus for testing	Obstetrics & Gynecology Laboratory
EMB	ethambutol (chart shorthand)	Core tuberculosis drug shorthand	Prescription & Medication Orders Infectious Disease
EMB procedure	endometrial biopsy (procedure)	Womb lining sampling — procedure	Obstetrics & Gynecology Surgery
EMCS	emergency cesarean section	Unplanned cesarean delivery done urgently	Obstetrics & Gynecology Surgery Emergency & Critical Care
EMDR	eye movement desensitization and reprocessing	Trauma therapy using guided eye movements while recalling memories	Psychiatry
EMG	electromyography	Test of electrical activity in muscles	Neurology Musculoskeletal
EMLA	eutectic mixture of local anesthetics (cream)	Numbing cream — formulation	Pediatrics Prescription & Medication Orders Nursing
emollient	emollient therapy (barrier)	Moisturizer barrier care	Pediatrics Nursing
empty delta	empty delta sign (sinus thrombosis)	Scan sign of a vein channel clot	Neurology Radiology & Imaging
EMR	electronic medical record	Digital version of a patient's medical chart	General Medical
EMS	emergency medical services	Pre-hospital emergency care and ambulance services	Emergency & Critical Care
EMT	emergency medical technician	Pre-hospital emergency care professional	Emergency & Critical Care
EMU	epilepsy monitoring unit	Hospital unit classifying seizures	Neurology
EN	enteral nutrition	Nutrition given into the gut by tube	Gastroenterology Nursing
ENA	extractable nuclear antigen	Panel of antibodies in autoimmune disease	Laboratory
encopresis	encopresis (soiling term)	Stool accidents from overflow constipation	Pediatrics Gastroenterology Psychiatry
endo	endodontics (shorthand)	Root canal specialty shorthand	General Medical
endo DCR	endoscopic dacryocystorhinostomy	Tear duct bypass through the nose	Surgery
endolymphatic sac	endolymphatic sac surgery	Inner ear procedure for Meniere disease	Surgery
endotoxin filter	endotoxin filter (dialysis)	Filter removing bacterial toxins from dialysis water	Renal & Nephrology
ENG	electronystagmography (test)	Eye movement recording for balance testing	Neurology
engorgement	engorgement (breast fullness)	Painful overfull breasts	Obstetrics & Gynecology Nursing
ENT	ear, nose and throat	Medical specialty and examination of these areas	General Medical
enteric precautions	enteric precautions	Precautions for stool-spread infections	Nursing Infectious Disease Gastroenterology
enuresis	nocturnal enuresis (bedwetting)	Bedwetting — clinical	Pediatrics Renal & Nephrology Psychiatry
enuresis alarm	bedwetting alarm (treatment)	Moisture alarm training for bedwetting	Pediatrics Nursing
ENZA	enzalutamide (chart shorthand)	Prostate cancer hormone pill shorthand	Prescription & Medication Orders Hematology & Oncology
EOB	explanation of benefits	Statement explaining what a health plan paid	General Medical
EoE	eosinophilic esophagitis	Allergic inflammation of the food pipe	Gastroenterology
EOG	electrooculogram	Electrical test of retinal pigment function	General Medical Laboratory
EOM	extraocular movements	Movements of the eyes in all directions	General Medical Vitals & Assessment Neurology
EOM pain	pain on eye movement	Symptom suggesting optic nerve or orbital inflammation	General Medical Neurology
EOMI	extraocular movements intact	Eye movements are normal in all directions	Neurology
Eos	eosinophils	White cells linked to allergy and parasites	Laboratory Hematology & Oncology
EOS calculator	early-onset sepsis calculator (Kaiser)	Risk calculator guiding newborn antibiotics	Pediatrics Infectious Disease
EP	ectopic pregnancy	Pregnancy developing outside the uterus, usually in a fallopian tube	Obstetrics & Gynecology Emergency & Critical Care
EP	etoposide cisplatin	Lung and testicular cancer combination shorthand	Hematology & Oncology Prescription & Medication Orders
EPB	extensor pollicis brevis (muscle)	Short thumb extending muscle	Musculoskeletal
EPCAM	epithelial cell adhesion molecule	Gene linked to Lynch syndrome when deleted	Laboratory Hematology & Oncology Gastroenterology
EPDS	Edinburgh Postnatal Depression Scale (abbreviation)	Perinatal depression screen	Psychiatry Obstetrics & Gynecology
ependymoma	ependymoma (diagnosis)	Brain tumor arising from canal lining	Pediatrics Neurology Hematology & Oncology
Epi	epinephrine	Adrenaline, an emergency hormone and medicine	Prescription & Medication Orders Emergency & Critical Care
epi	epinephrine auto-injector (use)	Allergy emergency pen — use	Pediatrics Emergency & Critical Care Prescription & Medication Orders
EPI	epirubicin (chart shorthand)	Anthracycline chemotherapy shorthand	Prescription & Medication Orders Hematology & Oncology
EPI	exocrine pancreatic insufficiency	Pancreas making too few digestive enzymes	Gastroenterology
Epidural	epidural anesthesia	Numbing catheter placed near the spinal cord	Surgery Obstetrics & Gynecology
epiglottitis	acute epiglottitis (diagnosis)	Swollen airway flap emergency — diagnosis	Pediatrics Respiratory Emergency & Critical Care Infectious Disease
EpiPen	EpiPen (brand)	Adrenaline auto-injector brand	Pediatrics Emergency & Critical Care Prescription & Medication Orders
epiphora	epiphora (tearing)	Overflow tearing	Pediatrics
epiploic	epiploic appendages (anatomy)	Small fat tags on the colon	Gastroenterology
episodic wheeze	episodic viral wheeze (pattern)	Wheeze only with colds pattern	Pediatrics Respiratory
EPL	early pregnancy loss	Medical term for miscarriage in early pregnancy	Obstetrics & Gynecology
EPL	extensor pollicis longus (muscle)	Thumb extending muscle	Musculoskeletal
Epley	Epley maneuver (treatment)	Repositioning treatment for BPPV — treatment	Neurology
EPO	erythropoietin	Hormone stimulating red blood cell production	Laboratory Hematology & Oncology Renal & Nephrology
EPS	electrophysiology study	Catheter test mapping the heart's electrical system	Cardiology
EPS	extrapyramidal symptoms	Movement side effects such as stiffness, tremor and restlessness	Psychiatry Neurology
EPS PD	encapsulating peritoneal sclerosis (PD)	Scarring cocoon complication of long PD	Renal & Nephrology Gastroenterology
EPSDT	Early and Periodic Screening Diagnostic and Treatment	Medicaid child screening benefit	Pediatrics General Medical
EPTB	early preterm birth (before 34 weeks)	Birth in the early preterm window	Obstetrics & Gynecology Pediatrics
EPTS	Estimated Post Transplant Survival	Recipient longevity score for allocation	Renal & Nephrology Surgery
ER	emergency room	Hospital area for urgent and emergency care	Emergency & Critical Care
ER	estrogen receptor	Hormone receptor tested in breast cancer	Laboratory Hematology & Oncology
ER	extended release	Medicine released slowly over time	Prescription & Medication Orders
ERCP	endoscopic retrograde cholangiopancreatography	Scope and X-ray procedure on bile and pancreatic ducts	Gastroenterology Radiology & Imaging
ERD	exudative retinal detachment	Retina detached by fluid without a tear	General Medical
ERG	electroretinogram	Electrical test of retinal function	General Medical Laboratory Neurology
ERLO	erlotinib (chart shorthand)	EGFR blocker pill shorthand	Prescription & Medication Orders Hematology & Oncology
ERM	epiretinal membrane	Wrinkle-causing membrane on the retinal surface	General Medical
erotomania	erotomania (delusional type)	Delusion of being loved	Psychiatry
eruption chart	tooth eruption chart (timing)	Expected tooth arrival timeline	Pediatrics
ERV	expiratory reserve volume	Extra air that can be blown out after a normal breath out	Respiratory
ERY	erythromycin (chart shorthand)	Macrolide antibiotic chart shorthand	Prescription & Medication Orders Infectious Disease
erythroblastosis	erythroblastosis fetalis (severe HDN)	Severe fetal anemia from blood antibodies	Pediatrics Obstetrics & Gynecology Hematology & Oncology
ES	erector spinae (muscle group)	Back straightening muscle group	Musculoskeletal
ESA	erythropoiesis-stimulating agent	Medicine boosting red blood cell production	Prescription & Medication Orders Hematology & Oncology Renal & Nephrology
ESBL	extended-spectrum beta-lactamase	Enzyme making bacteria resistant to many antibiotics	Infectious Disease Laboratory
ESC care	eat sleep console (NOWS care)	Function-based withdrawal care model	Pediatrics Nursing
ESES	electrical status epilepticus in sleep	Older name for sleep-activated epilepsy activity	Neurology Pediatrics
ESETT trial	ESETT (established status trial)	Trial comparing second-line status medicines	Neurology Emergency & Critical Care
ESHAP	etoposide methylprednisolone cytarabine cisplatin	Salvage lymphoma chemotherapy combination	Hematology & Oncology Prescription & Medication Orders
ESKD	end-stage kidney disease	Kidney failure needing dialysis or transplant	Renal & Nephrology
esketamine	esketamine (Spravato class)	Nasal ketamine-derived antidepressant	Psychiatry Prescription & Medication Orders
esotropia	esotropia (inward deviation)	Inward-turning eye	Pediatrics Neurology
ESR	erythrocyte sedimentation rate	Test showing how fast red cells settle, a sign of inflammation	Laboratory Hematology & Oncology
ESRD	end-stage renal disease	Kidney failure needing dialysis or transplant	Renal & Nephrology
ESS	endoscopic sinus surgery	Sinus surgery through the nose with a scope	General Medical Surgery
ESS	Epworth Sleepiness Scale	Questionnaire scoring daytime sleepiness	Respiratory
ESS score	Epworth sleepiness scale	A questionnaire scoring daytime sleepiness	Neurology Vitals & Assessment Respiratory
ESSDAI	EULAR Sjogren Syndrome Disease Activity Index	Sjogren activity score	Musculoskeletal
Essex-Lopresti	Essex-Lopresti injury (forearm)	Radial head fracture with membrane tear	Musculoskeletal Surgery
ESUS	embolic stroke of undetermined source	Stroke pattern suggesting hidden embolism	Neurology Cardiology
ESWL	extracorporeal shock wave lithotripsy	Shock waves used to break kidney stones	Renal & Nephrology Surgery
ET	esotropia	Inward turning of an eye	General Medical Pediatrics
ET	essential tremor	Common tremor mainly affecting the hands during action	Neurology
ETA	endotracheal aspirate	Airway secretion sample from a breathing tube	Laboratory Respiratory Emergency & Critical Care
EtCO2	end-tidal carbon dioxide	Carbon dioxide measured at the end of an exhaled breath	Respiratory
ETCO2 adapter	capnography adapter (device)	Sensor fitting measuring exhaled CO2	Respiratory Emergency & Critical Care
ETD	eustachian tube dysfunction	Blocked ear pressure-equalizing tube	General Medical
eTICI	expanded thrombolysis in cerebral infarction	Finer flow restoration grading	Neurology Radiology & Imaging
ETOH	ethanol	Alcohol, recorded in relation to drinking or blood level	General Medical Laboratory
ETOP	etoposide (chart shorthand)	Topoisomerase chemotherapy shorthand, also VP-16	Prescription & Medication Orders Hematology & Oncology
ETP	ertapenem (chart shorthand)	Once-daily carbapenem chart shorthand	Prescription & Medication Orders Infectious Disease
ETT	endotracheal tube	Tube placed through the mouth into the windpipe for breathing support	Respiratory Emergency & Critical Care
ETT	exercise tolerance test	Heart test while walking on a treadmill to stress the heart	Cardiology
ETT depth	endotracheal tube depth (lip line)	Centimeter marking at the lips for tube position	Emergency & Critical Care Respiratory Nursing
ETT holder	endotracheal tube holder (device)	Securement device for a breathing tube	Nursing Emergency & Critical Care Respiratory
ETV	endoscopic third ventriculostomy	Scope procedure creating a fluid bypass in the brain	Surgery Neurology Pediatrics
euglycemic DKA	euglycemic DKA (variant)	Ketoacidosis with near-normal sugar, linked to SGLT2 drugs	Emergency & Critical Care Endocrinology Prescription & Medication Orders
EUS	endoscopic ultrasound	Scope with ultrasound examining gut wall and nearby organs	Gastroenterology Radiology & Imaging
EUS FNA	endoscopic ultrasound fine needle aspiration	Scope-ultrasound sampling through the gut wall	Gastroenterology Radiology & Imaging
EUTOS	EUTOS score	CML risk score	Hematology & Oncology
EV	enterovirus	Gut virus group including hand-foot-and-mouth disease	Infectious Disease Pediatrics Laboratory
EV-D68	enterovirus D68	Enterovirus linked to severe respiratory illness and weakness in children	Infectious Disease Pediatrics Neurology
EVA	electric vacuum aspiration	Surgical suction emptying of the womb	Obstetrics & Gynecology Surgery
EVAR	endovascular aneurysm repair	Repair of an aortic bulge from inside the vessel with a stent graft	Cardiology Surgery
EVD	Ebola virus disease	Serious viral illness that can cause bleeding and organ failure	Infectious Disease Emergency & Critical Care
EVD	external ventricular drain	Tube draining fluid from the brain ventricles	Surgery Neurology Emergency & Critical Care
EVD placement	external ventricular drain placement	Inserting a brain fluid drain	Surgery Neurology Emergency & Critical Care
event monitor	cardiac event monitor (device)	Patient-triggered rhythm recorder	Cardiology
EVR	everolimus (transplant shorthand)	Immune-suppressing transplant drug	Prescription & Medication Orders Renal & Nephrology
EVT	endovascular thrombectomy	Catheter procedure removing a clot from a brain artery	Neurology
Ewing	Ewing sarcoma (diagnosis)	Bone and soft tissue tumor of youth	Pediatrics Musculoskeletal Hematology & Oncology
Ex lap	exploratory laparotomy	Operation opening the abdomen to look for a problem	Surgery Emergency & Critical Care
excessive weight loss	excessive weight loss (newborn warning)	Over ten percent birth weight loss	Pediatrics Nursing
exchange transfusion	exchange transfusion (jaundice)	Blood exchange for extreme jaundice	Pediatrics Hematology & Oncology Emergency & Critical Care
excision lesion	excisional biopsy (procedure)	Removing a whole lesion for examination	Surgery General Medical
excisional debridement	excisional debridement (surgical)	Cutting away dead tissue surgically	Surgery
exclusive pumping	exclusive pumping (feeding method)	Feeding pumped milk only	Obstetrics & Gynecology Nursing
excoriation	excoriation disorder (skin-picking)	Repetitive skin picking disorder	Psychiatry Pediatrics
EXE	exemestane (chart shorthand)	Aromatase inhibitor shorthand	Prescription & Medication Orders Hematology & Oncology
exenteration	pelvic exenteration (cancer surgery)	Removal of pelvic organs for advanced cancer	Obstetrics & Gynecology Surgery Hematology & Oncology
exercise challenge	exercise challenge test (bronchial)	Running test provoking airway narrowing	Pediatrics Respiratory Cardiology
exercise comp	compulsive exercise (behavior)	Driven exercise in eating disorders	Psychiatry
exertional headache	primary exercise headache (type)	Headache triggered by exercise	Neurology
exit site	exit site infection (PD catheter)	Skin infection where the PD tube exits	Renal & Nephrology Infectious Disease Nursing
EXM	electronic crossmatch	Computer-based donor unit selection without wet crossmatch	Laboratory Hematology & Oncology
exotropia	exotropia (outward deviation)	Outward-turning eye	Pediatrics Neurology
expander	tissue expander (reconstruction)	Balloon gradually stretching skin for reconstruction	Surgery Nursing
extended Apgar	extended Apgar (resuscitation documentation)	Continued scoring during ongoing resuscitation	Pediatrics Emergency & Critical Care
extubation failure	extubation failure (reintubation need)	Needing the tube back within days of removal	Respiratory Emergency & Critical Care

Educational reference only. This guide is for learning and quick reference. Abbreviations vary between hospitals, countries and specialties, and some are discouraged because they can be misread. Always write and interpret orders using your own institution’s approved abbreviation list, and check anything unclear with the prescriber or your local policy.

Medical Abbreviations Starting With "E"

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