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70 Cards in this Set

  • Front
  • Back
What is the brand name for Etomidate?
Amidate
How is Etomidate supplied?
2 mg/ml
What is the induction dose for Etomidate?
0.1-0.4 mg/kg
(70 kg patient = 7 - 28 mg)
(100 kg patient = 10 - 40 mg) Typical dose 20-40 mg
What is the Onset of Etomidate?
30 to 60 seconds
What is the Duration of Etomidate?
3 to 10 minutes
How is Etomidate metabolized?
Primary through ester hydrolysis secondary through hepatic
Is Etomidate highly protein bond?
Yes 77% bond to albumin
What receptor does Etomidate effect?
Potentiation of GABA (A) -mediated chloride channels
What effects does Etomidate have on the CNS?
Potent cerebral vasoconstrictor
Decreases CBF & ICP Myoclonus
What effects does Etomidate have on CV?
Minimal changes in BP & HR
(Drop in BP maybe exaggerated by hypovolemia)
What effect does Etomidate have on respiratory?
Minimal depression, but if given rapidly IV may cause apnea.
Exaggerated depression with inhaled anesthetics or opioid
What effect does Etomidate have on endocrine?
Adrenal suppression
Who (patient population) would you choose Etomidate over propofol or barbiturates?
In patients with compromised myocardial contractility
Does infusion of Etomidate hurt?
Yes
Is recovery from Etomidate fast?
Yes 3 - 10 minutes
Does Etomidate produce analgesia?
No, it produces hypnotic effects
What is the half life of Etomidate?
75 minutes
What is the pregnancy category of Etomidate?
Category C
What is the brand name for Ketamine?
Ketalar
How is Ketamine supplied?
10 mg/ml
What is the Induction dose for Ketamine?
0.5 - 2 mg/kg
(70 kg patient 35 -140 mg)
(100 kg patient 50 -200 mg)
Typical dose ????
What is the Onset of Ketamine?
30 seconds
What is the Duration of Ketamine?
5 to 15 minutes
Does Ketamine produce analgesia?
Yes significant analgesia
The cataleptic state aka "dissociative anesthesia" is associated with which IN anesthetic?
Ketamine
What is the cataleptic state aka "dissociative anesthesia"?
After the admin of Ketamine the patient's eyes remain open with a slow nystagmic gaze.
What is the major psychological issue with Ketamine?
Unpleasant hallucinations
How is Ketamine metabolized?
Hepatic CYP450 system
Is Ketamine bond to protein?
It has a low protein binding (12%)
What receptor does Ketamine work on?
Inhibition of the N-methyl-D-aspartate receptor complex
Is amnesia complete with solo admin of Ketamine?
Amnesia is not complete, however when benzos are coadmin then amnesia is complete
What effects does Ketamine have on CNS?
Cerebral vasodilator, increases CBF & CMRO2 (metabolic rate)
What effects does Ketamine have on CV?
Significant, but transient increase in BP, HR, & CO
What effects does Ketamine have on respiratory?
Minor depression Hypercapnia response preserved
After rapid IV may cause apnea
Increase salivation which is a risk for laryngospasm (especially in peds)
Relaxes bronchial smooth muscles
What is the pregnancy category for Ketamine?
Ketamine is contraindicated in pregnancy, there is no FDA assignment however the manufacture has assigned Category B
What is the Brand name for Methohexital?
Brevital
How is Methohexital supplied?
10 mg/ml
What is the Induction dose for Methohexital?
1 - 1.5 mg/kg
(70kg patient 70 - 105 mg)
(100kg patient 100 - 150 mg)
Typical dose 70 mg
What is the Onset of Methohexital?
45 seconds - 1 minute
What is the Duration of Methohexital?
4 to 7 minutes
How is Methohexital metabolized?
Hepatic metabolism by oxidation
Chronic use of barbiturates does what to liver enzymes?
Induces oxidative mircosomal enzymes
What receptors does Methohexital work on?
GABA (A) and unknown inhibition of excitatory receptors
What effect does Methohexital have on CNS?
Potent cerebral vasoconstrictor
Decreases CBF, ICP, & cerebral blood volume
Decreases CMRO2 Neuroprotection from focal cerebral ishemia
Does Methohexital have analgesic effects?
No, in fact evidence suggest that it lowers the pain threshold and increases pain
Does Methohexital decrease activity on EEG?
No it is an exception among barbiturates.
Which barbiturate activates epileptic foci?
Methohexital
What effects does Methohexital have on CV?
Decrease in BP 2/2 vasodilation
Increase HR
What effects does Methohexital have on respiratory?
Marked depression with decreased TV and RR, apnea
Decreased hypercapnia and hypoxia response
Requires neuromuscular blocking drugs for instrumentation of airway
What Pregnancy category is Methohexital?
Category B
What is the brand name for Propofol?
Diprvan
How is Propofol supplied?
10 mg/ml
What is the induction dose of Propofol?
1.5 - 2.5 mg/kg
(70 kg patient 105 - 175 mg)
(100 kg patient 150 - 250 mg)
Typical dose around 175 - 200 mg
What is the Onset of Propofol?
45 seconds to a minute
What is the Duration of Propofol?
5 to 10 minutes
How is Propofol stored?
In a lipid emulsion.
Can you give Propofol to a patient with an egg allergy?
Yes, Maybe, No, depends because the major component of the lipid emulsion is egg yolk lecithin... clear as mud?
How long should a Propofol bottle be used for after it has been opened and why?
6 hours because of the lipid emulsion can support bacterial growth
How is Propofol metabolized?
Hepatic metabolism, however their maybe up to 30% metabolism in the lungs
Is Propofol highly protein bond?
Yes 97% bond
Describe the context-sensitive half-time of Propofol.
The context-sensitive half-time of Propofol is brief, even after prolonged infusion allowing for rapid recovery
What receptors does Propofol work on?
Potentiation of chloride current mediated channels at the GABA (A) receptor complex
What are the effects of Propofol on CNS?
Hypnotic effect without analgesic effects
Decreased CBF, CMRO2, ICP
Has neuroprotective properties
Anticonvulsant effects
What are the effects of Propofol on CV?
Most pronounced decrease in BP
Vasodilates Arterial and Venous - reduced preload and afterload Inhibits baroreflex (very small increase in HR)
What are the effects of Propofol on Respiratory?
Potent respiratory depressant
Apnea after induction dose
Response to hypoxia and hypercapnia is reduced
Relaxes reflexes for instrumentation of the airway
Decrease wheezing
Would you use Propofol in a patient you are concerned about post-op N/V?
Yes Propofol has antiemetic activity
Does Propofol potentiate neuromuscular blockage drugs?
NO
What should you do if you unexpectedly get tachycardia during Propofol induction?
Evaluate for metabolic acidosis (ABG)
Known as propofol infusion syndrome
Does Propofol hurt on injection?
Yes
Do children require more or less Propofol for induction?
More 2.5 - 3.5 mg/kg