There are multiple definitions:

1. assist control ventilation(English)

   • SIMV, VAP
   • Respiratory system

2. air controlled ventilated(English)

   • ACH, CFU, IPC, IPCTM, MIS, NIPPV, PJA, SSI, UDAF
   • Preventive medicine, Respiratory system
   • https://doi.org…pip.2021.100180

3. autonomic conduction velocity(English)

   • indirectly measured by analyzing the transient signals resulting from the electrodermal response induced by a Valsalva maneuver, cough, or auditory stimulus recorded noninvasively from the skin surface
   • SERV
   • Auditory system, Electrophysiology
   • https://doi.org…EMBS.1988.94744

4. anterior condylar vein(English)

   • ACC, AIVVP, EJV, IJV, MS, SOCS, VAVP, VVP
   • Anatomy, Vessel properties
   • https://doi.org…598-020-73658-0

5. anterior chamber volume(English)

   • ACD, IOL, STS
   • Ophthalmology, Surgery
   • https://doi.org…886-020-01465-2