Exam 4 - NMBD Reversal, Local Anesthetics, Adjuncts Flashcards
Neostigmine dose
40 to 70 mcg/kg (0.04-0.07 mg/kg)
Edrophonium dose
1 to 1.5 mg/kg
Just know 1 mg… per Castillo
Atropine
7 to 10 mcg/kg
Matches profile of Edrophonium
Glycopyrrolate
7 to 15 mcg/kg (1 mg max)
Matches profile to both Neostigmine and Pyridostigmine
Sugammadex dose for…
Moderate Block:
Deep Block:
Extreme Block:
Moderate - 2 mg/kg
Deep - 4 mg/kg
Extreme - 8-16 mg/kg
Protein Binding percentages for Bupivacaine, Lidocaine, and Prilocaine?
Bupivacaine - 95%
Lidocaine - 70%
Prilocaine - 55%
Lidocaine
Metabolism:
Metabolite:
Max Dose:
Metabolism: Oxidative dealkylation in liver
Metabolite: Xylidide
Max Dose: 300 mg alone and 500 mg w/ Epi
Prilocaine
Metabolite:
Max Dose:
Metabolite: Orthotoluidine
Max Dose: 600 mg
Converts hemoglobin to methemoglobin
Methylene Blue
Indication:
Dose:
Indication: Methemoglobinemia
Dose: 1 to 2 mg/kg IV over 5 mins
Total dose not to exceed 7 to 8 mg/kg over 24 hours
Bupivacaine and Ropivacaine bind to which protein?
α1-acid glycoprotein
Procaine metabolite
PABA
Benzocaine
Onset:
Duration:
Max Dose:
Onset: Rapid
Duration: 30 to 60 mins
Max Dose: 200 to 300 mg spray
Cocaine
Peak:
Duration:
Elimination:
Peak: 30 to 45 mins
Duration: 60 mins after peak
Elimination - Urine
Max dose for Lidocaine? With Epi?
300 mg
With Epi = 500 mg
Bupivacaine max dose? With Epi?
175 mg
225 mg with Epi
Atenolol (Tenormin) dose?
5 mg q 10 mins IV
Metoprolol (Lopressor) dose?
1 mg q5mins IV (In blocks of 5 mg)
Esmolol (Brevibloc) initial dose? Metabolism?
Initial dose = 20-30 mg IV
Metabolized by plasma esterases in the cytosol
What is the IVP dose for Phenylephrine?
100 mcg bolus
Labetalol
Dose?
Max effect?
Dose - 2.5-5 mg IV, may increase to 10 mg IV
Max effect - 5-10 mins
An epinephrine bolus dose of 2-8 mcg lasts how long?
1-5 mins
Epinephrine infusions and the receptors…
1-2 mcg/min?
4 mcg/min?
10-20 mcg/min?
1-2 mcg/min = beta-2
4 mcg/min = beta-1
10-20 mcg/min = Predominately alpha
Single IV dose for Ephedrine? Vasopressin? Epinephrine? Phenylephrine?
Ephedrine - 5-10 mg
Vaso - 1-2 units
Epinephrine - 1-2 mcg
Phenylephrine - 50-100 mcg
Sodium nitroprusside initial dose?
0.3 mcg/kg/min
Titrated to 2 mcg/kg/min
Nitroglycerine initial dose?
5-10 mcg/min infusion and titrate
Hydralazine
Dose?
1/2 life?
Peak plasma concentration?
Dose - 2.5 mg IV
1/2 Life - 3-7 hours
Peak - 1 hour
Nicardipine (Cardene) dose?
Initial dose 5 mg/hr, increase 2.5 mg/hr x 4 to max dose of 15 mg/hr
Procaine
Potency?
Maximum Single Dose?
pK?
Protein Binding?
Potency - 1
Maximum Single Dose - 500 mg
pK - 8.9
Protein Binding - 6%
Chloroprocaine
Potency?
Maximum Single Dose?
pK?
Protein Binding?
Potency - 4
Maximum Single Dose - 600 mg
pK - 8.7
Protein Binding… no number was given.
Also has a rapid onset
Tetracaine
Potency?
Maximum Single Dose?
pK?
Protein Binding?
Potency - 16
Maximum Single Dose - 100 mg (topical)
pK - 8.5
Protein Binding - 76%
Lidocaine
Potency?
Maximum Single Dose?
pK?
Protein Binding?
Potency - 1
Maximum Single Dose - 300 mg
pK - 7.9
Protein Binding - 70%
Prilocaine
Potency?
Maximum Single Dose?
pK?
Protein Binding?
Potency - 1
Maximum Single Dose - 400 mg
pK - 7.9
Protein Binding - 55%
Mepivacaine
Potency?
Maximum Single Dose?
pK?
Protein Binding?
Potency - 1
Maximum Single Dose - 300 mg
pK - 7.6
Protein Binding - 77%
Bupivacaine
Potency?
Maximum Single Dose?
pK?
Protein Binding?
Potency - 4
Maximum Single Dose - 175 mg
pK - 8.1
Protein Binding - 95%
Levobupivacaine
Potency?
Maximum Single Dose?
pK?
Protein Binding?
Potency - 4
Maximum Single Dose - 175 mg
pK - 8.1
Protein Binding - > 97%
Ropivacaine
Potency?
Maximum Single Dose?
pK?
Protein Binding?
Potency - 4
Maximum Single Dose - 200 mg
pK - 8.1
Protein Binding - 94%
Eutectic Mixture of LA (EMLA) dose components and dosage?
Lidocaine 2.5% and Prilocaine 2.5%
1 to 2 grams/10 cm^2 area
For subarachnoid blocks, dosing for a a 5ft person is _________ of 0.75% Bupivacaine… how much do you increase for each inch above 5ft?
1 ml
Increase by 0.1 mL/inch over 5 ft.