Etomidate

Etomidate is ashort-acting intravenous anesthetic indicated for the induction of anesthesia and supplementation of subpotent anesthesia during short operative procedures. Amidate.

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What is the drug etomidate used for?
Is etomidate a sedative or paralytic?
Why is etomidate no longer used?
What is the mechanism of action of etomidate?
Why use etomidate vs propofol?
Is etomidate a gaba agonist?
Why is etomidate painful?
What drug is similar to etomidate?
Does etomidate paralyze you?
When should etomidate be avoided?

What is the drug etomidate used for?

Etomidate is a short-acting intravenous anesthetic indicated for the induction of anesthesia and supplementation of subpotent anesthesia during short operative procedures. Amidate.

Is etomidate a sedative or paralytic?

Etomidate (USAN, INN, BAN; marketed as Amidate) is a short-acting intravenous anaesthetic agent used for the induction of general anaesthesia and sedation for short procedures such as reduction of dislocated joints, tracheal intubation, cardioversion and electroconvulsive therapy.

Why is etomidate no longer used?

Etomidate is an imidazole hypnotic which is commonly utilized by emergency medicine physicians during rapid sequence intubation. Etomidate's duration of action is significantly shorter than that of commonly used long-acting paralytic medications (3-12 minutes vs. 25-73 minutes).

What is the mechanism of action of etomidate?

Introduction. Etomidate is no longer administered as a continuous infusion for anesthetic maintenance or sedation, because it results in profound and persistent suppression of adrenocortical steroid synthesis with potentially lethal consequences in critically ill patients.

Why use etomidate vs propofol?

Etomidate enhances the binding of GABA to its receptors, leading to increased chloride ion influx into neurons and subsequent hyperpolarization. This hyperpolarization inhibits neuronal firing and results in sedation, hypnosis, and anesthesia.

Is etomidate a gaba agonist?

Propofol is commonly used for induction in short surgical procedures whereas the action of etomidate is characterized by its hemodynamic stability and fewer side effects on the respiratory profile of the patient.

Why is etomidate painful?

Specifically, etomidate binding increases agonist potency for activating (i.e. opening) GABA_A receptors, a process termed “agonist potentiation”. In the absence of agonist, etomidate binding also directly activates GABA_A receptors.

What drug is similar to etomidate?

We conclude that etomidate formulated in propylene glycol may cause direct injury to vascular endothelium resulting in pain and venous sequelae, whereas etomidate in lipid emulsion does not. There was no relationship between pain or venous sequelae and histamine release.

Does etomidate paralyze you?

Common alternatives to etomidate for rapid sequence intubation are propofol or ketamine. Propofol is typically given at a dose of 2 mg/kg IV although a lower dose may be sufficient in elderly or debilitated patients. Ketamine is typically given at a dose of 1-2 mg/kg IV.

When should etomidate be avoided?

Etomidate is the most frequently used induction agent. Its brief duration of action is usually considered a positive characteristic, but it may contribute to patients being paralyzed and not adequately sedated.