Parenteral anesthesia Flashcards
What types of drugs are used as parenteral anesthesia?
Barbiturates.
Benzodiazepines
Opioids
Other (eg. anitpsychotics).
Parenteral anesthetics - indications
Preanesthesic sedation.
Induction of anesthesia.
Perioperative analgesia.
Minor surgical and diagnostic procedures.
Barbiturates used as parenteral anesthetics - 2 drugs
Thiopental.
Methohexital.
Non barbiturates, opioids or benzos used for parenteral anesthetics - 5 drugs
Propofol, fospropofol.
Etomidate.
Droperidol
Ketamine
Opioids used for parenteral anesthetics - 4 drugs
Fentanyl
Sufentanil
Alfentanil
Remifentanil
Benzodiazepines used for parenteral anesthetics - 3 drugs
Midazolam
Diazepam
Oksazepam
Propofol, fospropofol - MOA
Potentiate GABA at GABAa receptor-chloride ion channel
Which parenteral anesthetic is often used in the emergency department and why?
Etomidate.
Has little effect on blood pressure.
Which parenteral anesthetic is often used in cardiac surgery?
Fentanyl.
Which parenteral anesthetic may cause twilight sleep?
Fentanyl + droperidol
Sufentanil - indications as parenteral anesthetic
Epidural/intrathecal for labor or postoperative analgesia.
Which parenteral anesthetics are often used for ambulatory surgery?
Alfentanil.
Remifentanil
Remifentanil - advantages
Very rapidly metabolized, respiratory depression is corrected by stopping infusion.
Which parenteral anesthetic may cause dissociative anesthesia?
Ketamine
Ketamine - indications
Pediatric pts (with benzos)