Ch. 7 Anesthesia
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25 terms
Terms | Definitions |
|---|---|
 What is the MRD for Articaine? | 500 mg |
| what is the MRD for Bupivicaine? | 90 mg |
| what is the MRD for Lidocaine? | 300 mg |
| what is the MRD for Mepivacaine? | 300 mg |
| what is the MRD for Prilocaine? | 400 mg |
| how would you figure out the mg/lb of a drug if you only know the mg per appt? | MRD per appt/150=mg/lb (example: 500mb/150=3.2) |
| one cartridge contains how many ml of solution? | 1.8 ml solution |
| how many mg of LA per cartridge in a 1% solution? | 18 mg (if it is 2%-2 X 18=36 mg or 4%- 4 X18=72 mg) |
| how do you convert pounds to kilograms? and kg to lbs? | lbs to kg = lbs/2.2 kg to lbs = kg X 2.2 |
| 2 cartridges of 2? lidocaine plain have been given to a 100 lbs pt. How many mg have been give? | 72 mg (2 (cartridges) X 36=72mg) |
| what is the MRD for a 100lbs pt receiving 2% lidocaine plain? | 200 mg (2mg/lb(MRD=300/150=2mg/lb) X 100lbs=200mg) |
| How many additional mg can this pt receive? (received 72 mg of 2% lido and her MRD=200 mg) | 128 mg (200 mg - 72 mg =128 mg) |
| how many cartridges is 128mg? when giving 2% lido | 3.5 cartridges (128mg/36mg(mg per cart)=3.5 carts) |
| t/f when giving additional doses of a different drug you use the MRD of the last drug given to calculate the additional cartridges the pt can receive | FALSE! (use MRD of the most toxic drug..EXAMPLE switching from lido to bupivicaine use MRD for bupivicaine) |
| How many carts of 4% articaine can be given to the pt that has already recieved 2 carts of 2% lido? | 1.7 cartridges (MRD of articaine for this pt is 320 so limiting factor is lido MRD which is 200mg. 200 mg -72 mg=128 mg left to be given. 128/72=1.7 cartridges) |
| what is the MRD for epi in a healthy pt? | 0.2mg |
| what is the MRD for levonordefrin in a healthy pt? | 1 mg |
| what is the MRD for epi in a cardiac pt? | .04 mg |
| what is the MRD for levonordefrin for a cardaic pt? | .2 mg |
| how much epi is in 1 cartridge of 1:100k | .018 mg/cart |
| how much epi is in 1 cartridge of 1:50k? | .036 (2x's 1:100k) |
| how much epi is in 1 cart of 1:200k? | .009 (half 1:100k) |
| how much epi is in 1 cart of 1:20K | .09 (3x's 1:100k) |
| What is the limiting factor for a 150 lbs female receiving 2% lidocaine with 1:50k epi? | epi is limiting factor (with all concentrations the limiting factor is the LA except with 1:50 then it is the epi) |
| t/f for an obese child you would use the clarks rule | false! (youngs, a obese child weighing the amount of a 20 year old doesn't have the organ development to metabolize the drug properly) |
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