There are multiple definitions:

1. Ebola virus disease(English)

   • MFS, ETU, RT-PCR
   • Virology

2. external ventricular drain(age)(English)

   • arguably one of the most common and important lifesaving procedures in neurologic intensive care unit
   • CSF, ICP, ICU, AMP, PRx, aSAH, BAL, CARAS, CTA, DCI, DSA, GCS, mRS, TCD, UTI
   • Neurology, Intensive care medicine, Brain (dys)function
   • https://doi.org…152-7806.157620
   • https://doi.org…-319-65798-1_56
   • https://doi.org…15.10.JNS151959

3. external ventricular device(English)

   • used to estimate elevated intracranial pressure using sonographic optic nerve sheath diameter measurement
   • eICP, ICP, ONSD, SAIF
   • Brain (dys)function, Emergency medicine, Ultrasound
   • https://doi.org…em.2013.9.16191