ECG
electrocardiogram, electrocardiograph
ECMO
extracorporeal membrane oxygenation
ED
emergency department
EEG
electroencephalogram
EENT
eyes, ears, nose and throat
EF
ejection fraction
EGD
esophagogastroduodenoscopy
EKG
electrocardiogram
EMS
emergency medical service
ENT
ears, nose and throat
EOMI
extraocular muscles intact
ER
extended release
ESR
erythrocyte sedimentation rate
ESRD
end stage renal disease
EtOH
ethyl alcohol