<prompt> Shortest acting benzodiazepine is:MidazolamAlprazolamLorazepamDiazepam  <response>: Because of its short duration of action, midazolam is the only BZD suitable for sedation of intubated and mechanically ventilated patients.Midazolam is a good amnesic with potent and shorter lasting action. It is also better suited for i.v. injection, due to water solubility. This BZD is water soluble, non-irritating to veins, shorter acting t12 : 2 hours and 3 times more potent than diazepam. STOLES - Short acting Benzodiazepines are,T - TriazolamT - TemazepamO - OxazepamE - Estazolam 