Lecture 4 Flashcards

1
Q

What amide local anesthetics are used today?

A
  • Lidocaine
  • Prilocaine
  • Articaine
  • Mepivacaine
  • Bupivacaine
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2
Q

What amide local anesthetic is used for pregnant women?

A

-Lidocaine

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3
Q

What does ELMA include?

A
  • Lidocaine

- prilocaine

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4
Q

If a person is allergic to both amide and ester anesthetics what is a good alternative?

A

-Diphenhydraline (benadryl)

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5
Q

What are ester local anesthetics?

A
  • Procaine
  • Propoxycaine
  • Benzocaine
  • Tetracaine
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6
Q

What are the individual responses known as if a person is not anesthetized for as long as normal?

A

-Hyporesponder

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7
Q

T/F Accuracy of deposition plays a role in the duration of action of an anesthetic

A

True

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8
Q

Are regional or local blocks more effective?

A

-Regional

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9
Q

If a person has bisulfate allergy what is a good alternative anesthetic drug to use?

A

-A local anesthetic without a vasoconstrictor

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10
Q

T/F Hyporesponder may enter blood levels of overdose territory but may not present that way clinically because they don’t respond as much to anesthetic

A

True

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11
Q

If you stay below the maximum dose of anesthetic will your patient always be fine regardless of the anesthetic you use?

A

-No, some hyperresponders may respond quickly even if below the maximum dose

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12
Q

T/F Maximum doses are not magical indicators of when overdose will occur?

A

-True

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13
Q

What two groups of people do you need to be cautious about when giving anesthetic?

A
  • Children

- Elderly

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14
Q

What are the two types of maximum doses?

A
  • Patients maximum dose

- Drugs maximum dose

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15
Q

If a patients maximum dose is higher than the drugs maximum dose should you use the patient or drugs max dose?

A

-Drugs

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16
Q

What do you need to calculate the maximum dose of the patient?

A
  • Pt. weight

- Manufacture recommended max dose by weight

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17
Q

If you are using two different local anesthetics which max dose should you use?

A

-The anesthetic with the lower max dose

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18
Q

How many mL are in a carpule?

A

1.8

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19
Q

What is procaine AKA?

A

-Novocaine

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20
Q

What type of anesthetic is novocaine?

A

-Ester

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21
Q

How was procaine metabolized?

A

-Plasma hydrolysis

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22
Q

How was procaine excreted?

A

-Renal (PABA)

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23
Q

What was the duration of procaine?

A

-15-30 minutes just soft tissue though not the pulp

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24
Q

What is Lidocaine AKA?

A

-Xylocaine

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25
What classification is lidocaine?
-Amide
26
What is the metabolism of lidocaine?
-Hepatic
27
What is the pulpal duration of lidocaine?
-60 minutes
28
What is the soft tissue duration of lidocaine?
-3-5 hours
29
What is the onset of action of lidocaine?
3-5 minutes
30
If you have a green color band what does that mean?
1:50,000 epi
31
What does a red color band mean?
1:100,000 epi
32
What is the max recommended dose?
3.2 mg/lb
33
What is Mepivicaine AKA?
- Carbocaine | - Polocaine
34
What classification is Mepivicaine?
-Amide
35
What is the onset of action of Mepivicaine?
-3-5 minutes
36
What is the duration for pulpal tissue for Mepivicaine?
-20-40 minutes
37
What is the duration of soft tissue for Mepivicaine?
-2-3 hours
38
What is the max recommended dose for mepivicaine?
3.0 mg/lb
39
What is a good side note of mepivicaine?
-Used for cardiovascular pts. because it has no epinephrine
40
What is Prilocaine AKA?
-Citanest
41
What classification is Prilocaine?
-Amide
42
What is the pulpal duration of Prilocaine?
- 10-15 by infiltration | - 40-60 nerve clock
43
Prilocaine is often contraindicated with what condition?
-Methemoglobinemia (any anemia condition)
44
What is Articaine AKA?
-Deptocaine
45
What classification is articaine?
-Hybrid both ester and amide
46
Who should you not use articaine on?
-Children under 4
47
What is the color band of articaine?
-Glossy Gold
48
T/F Articaine penetrates bone very well
True
49
What is the duration of articaine?
Pulpal 60-75 minutes
50
What is Bupivacaine AKA?
- Marcaine
51
What anesethetic has the longest duration of action?
-Bupivacaine
52
Bupivicaine is extremely _______ and can cause MI that is resistant to resistation.
-Cardiotoxic
53
Who should you never use Bupivicaine on what population?
- Children | - Elderly
54
Does Mepivicaine have epinephrine?
-No
55
What band does Mepivicaine look like?
-Articaine
56
What is ideal for PDL/Intraligamentary injections?
-The Syringe
57
What are the four parts of the cartridge?
- Glass tube - Plunger - aluminum cap - Rubber diaphragm
58
What technique of needle entrance neutralizes perpendicular forces that are responsible for deflection?
-Bi-rotational Insertion Technique
59
Why do you use Oraverse?
-To undo the effects of the LA but if you use it then you can more easily get LA toxicity
60
What is the most common point of needle breakage?
-The hub
61
Where is the weakest part of the needle?
-The hub
62
What are two factors that make giving an injection a burning sensations for pts?
- Acidic nature of LA | - Expressing LA to quickly