<prompt> Narcotic of choice for out patient anesthesia:MorphineAlfentanylFentanylPethidine  <response>: B i.e. Alfentanyl All of these are sho acting narcotic analgesics the shoest acting among them is Remifentanil. Drug Onset Duration of action Remifentanil 30 - 60 second 3 - 5 minute Alfentanil 0.5 minute 5 - 10 minute Fentanyl Sufentanil 1 - 4 minute 30 minute . - Remifentanyl, Alfentanyl Sufentanil have sho duration of action so can be used as outpatient anesthetic agents. Desflurane Sevoflurane provide the fastest wake up time among volatile anesthetic outpatient agents. 