This article contains a list of commonly used medical abbreviations and acronyms that start with the letter E and may be encountered in medicine and radiology (please keep both the main list and any sublists in alphabetic order).

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

• E

  • Escherichia (e.g. E. coli)

  • estrogen

  • eyes (GCS)

  • glutamic acid/glutamate

• E1: estrone

• E2: estradiol

• E3: estriol

• EAC

  • endometrial adenocarcinoma

  • external auditory canal

• EAM: external auditory meatus

• EARPV: echogenic anterior wall of the right portal vein

• EBIR: European Board of Interventional Radiology

• EBL

  • estimated blood loss

  • evidence-based learning

• EBLVRS: endobronchial lung volume reduction surgery

• EBM

  • endobronchial metastasis

  • evidence-based medicine

• EBRT: external beam radiotherapy

• EBUS: endobronchial ultrasound

• EBV

  • endobronchial valve

  • Epstein-Barr virus

• ECA: external carotid artery

• ECD: Erdheim-Chester disease

• ECF: enterocutaneous fistula

• ECG: electrocardiogram

• Echo: echocardiography

• ECMO: extracorporeal membrane oxygenation

• ECR

  • endovascular clot retrieval

  • European Congress of Radiology

• ECRA: extensor carpi radialis accessorius

• ECRB: extensor carpi radialis brevis

• ECRI: extensor carpi radialis intermedius

• ECRT: extensor carpi radialis tertius

• ECS: emergency cesarean section

• ECST: European Carotid Surgery Trial

• ECT: electroconvulsive therapy

• ED

  • emergency department

  • erectile dysfunction

• EDAMS: encephaloduroarteriomyosynangiosis

• EDAS: encephaloduroarteriosynangiosis

• EDC: expected date of confinement

• EDD: expected date of delivery

• EDH

  • epidural hemorrhage

  • extradural hemorrhage

• EDiR: European Diploma in Radiology

• EDMS: electronic document management system

• EDV

  • end-diastolic velocity

  • end-diastolic volume

• EDX: electrodiagnostics

• EEE: Eastern equine encephalitis

• EEG: electroencephalography

• EF: ejection fraction

• EFM: estimated foetal weight

• EG

  • eosinophilic gastroenteritis

  • eosinophilic granuloma

  • for example (Latin: exempli gratia)

• EGD: esophagogastroduodenoscopy

• EGFR: epidermal growth factor receptor

• eGFR: estimated glomerular filtration rate

• EGPA: eosinophilic granulomatosis with polyangiitis (Churg-Strauss syndrome)

• EIA

  • early inflammatory arthritis

  • external iliac artery

• EIF: echogenic intracardiac focus

• EIV: external iliac vein

• EJV: external jugular vein

• EKG: electrokardiogram

• ELST: endolymphatic sac tumor

• ELVO: emergent large vessel occlusion

• EM: electromagnetic

• EMD: electromechanical dissociation

• EMF

  • electromotive force

  • endomyocardial fibrosis

• EMG: electromyography

• EMP: extramedullary plasmacytoma

• EMR

  • electromagnetic radiation

  • electronic medical record

  • endoscopic mucosal resection

• EMS: encephalomyosynangiosis

• EMVI: extramural vascular invasion

• ENB: electromagnetic navigation bronchoscopy

• ENT: ear, nose and throat

• EOA: esophageal obturator airway

• EOM

  • extraocular motility (movements)

  • extraocular muscles

• EOMI: extraocular muscles intact

• EOS: early-onset (neonatal) sepsis

• E/O

  • evidence of

  • examination of

  • excision of

  • exclusion of

• EP: electrophysiology

• EPI: echo-planar imaging

• EPIA: epiandrosterone

• EPIC: early postoperative intraperitoneal chemotherapy

• EPID: electronic portal imaging device 

• EPISTAR: echo planar imaging and signal targeting with alternating radiofrequency

• EPL: extensor pollicis longus

• EPSE: extrapyramidal side effects

• ER

  • early ratio

  • emergency room

• Er: erbium

• ERCP: endoscopic retrograde cholangiopancreatography

• ERT: enzyme replacement therapy

• ERV: expiratory reserve volume

• Es: einsteinium

• ESAK: entrance surface air kerma

• ESBL: extended-spectrum beta-lactamase

• ESD: endoscopic submucosal dissection

• ESGAR: European Society of Gastrointestinal and Abdominal Radiology

• ESOI: European Society of Oncological Imaging

• ESOS: extraskeletal osteosarcoma

• ESP: exophytic sinonasal papilloma

• ESR

  • erythrocyte sedimentation rate

  • European Society of Radiology

• ESRF: end stage renal failure

• ESS

  • endometrial stromal tumor

  • endoscopic sinus surgery

• ESUR: European Society of Urogenital Radiology

• ESV: end-systolic volume

• ESWL: extracorporeal shock wave lithotripsy

• ET

  • essential thrombocythemia

  • essential tremor

  • exercise tolerance

• ETA: estimated time of arrival

• et al.: and others (Latin)

• ETC

  • esophagotracheal combitube

  • estimated time of confinement

  • et cetera

• ETD: estimated time of delivery

• ETEC: enterotoxigenic Escherichia coli

• e-THRIVE: enhanced T1W high resolution isotropic volume examination (Philips)

• ETL: echo train length

• EtOH: ethanol

• ETSS: endoscopic transsphenoidal surgery

• ETT

  • endotracheal tube

  • exercise tolerance test

• ETV: endoscopic third ventriculostomy

• Eu: europium

• EUA: examination under anesthesia

• EUPD: emotionally unstable personality disorder

• EUS: endoscopic ultrasound

• EUSB: endoscopic ultrasound biopsy

• EVALI: e-cigarette or vaping product use-associated lung injury

• EVAR: endovascular aneurysm repair

• EVD: extraventricular drain

• EVLP: ex-vivo lung perfusion

• EVT: endovascular thrombectomy

• Ex: exitus

• Exp: expiratory