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Questions and Answers
Which of the following best describes the purpose of aspirating during a local anesthetic injection?
Which of the following best describes the purpose of aspirating during a local anesthetic injection?
- To confirm correct placement within the nerve.
- To prevent injecting anesthetic directly into a blood vessel. (correct)
- To reduce the risk of nerve damage during injection.
- To ensure adequate distribution of the anesthetic solution.
A medium-sized dog requires a dental procedure. Using the rule of thumb for maximum local anesthetic volume per location, what is the maximum amount that should be administered at one site?
A medium-sized dog requires a dental procedure. Using the rule of thumb for maximum local anesthetic volume per location, what is the maximum amount that should be administered at one site?
- 0.2 ml (correct)
- 2.0 ml
- 0.3 ml
- 0.1 ml
Following an inferior alveolar nerve block in a dog, which anatomical structures would you expect to be affected?
Following an inferior alveolar nerve block in a dog, which anatomical structures would you expect to be affected?
- The bone, soft tissue, and teeth rostral to the injection site on the corresponding side. (correct)
- The entire mandible on the contralateral side.
- The soft tissue and bone of the hard palate on the injected side.
- The muscles of mastication and the temporomandibular joint.
During a rostral approach maxillary block, which teeth will be anesthetized?
During a rostral approach maxillary block, which teeth will be anesthetized?
What is the purpose of applying pressure over the foramen after administering a local anesthetic?
What is the purpose of applying pressure over the foramen after administering a local anesthetic?
Flashcards
Local Anesthetics
Local Anesthetics
Common local anesthetics used in veterinary medicine, such as Bupivacaine and Lidocaine.
Local Anesthetic Toxicity
Local Anesthetic Toxicity
Potential adverse effects of local anesthetics, including anaphylaxis, nerve damage and Skeletal muscle illness.
Max Dosage Rule of Thumb
Max Dosage Rule of Thumb
The maximum safe dose of local anesthetic to administer, typically 2mg/kg.
Foramen Definition
Foramen Definition
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Proper Nerve Block Technique
Proper Nerve Block Technique
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Study Notes
- Local anesthetics typically include bupivacaine and lidocaine
Toxicity Reactions
- Potential toxicity reactions to local anesthetics include anaphylaxis, nerve damage, and skeletal muscle illness
Rule of Thumb
- The maximum dosage for local anesthetics is 2mg/kg
Maximum Dosage Per Location
- Cats: 0.1 ml
- Medium dogs: 0.2 ml
- Large dogs: 0.3 ml
Foramens: Common Block Locations
Infraorbital Block
- Maxillary rostral approach is used
- Block PM3 and all teeth mesial on the same side
- Apply pressure for 60 seconds after administration to ensure anesthetic stays in place
- Tilt the nose up to help anesthetic block nerve
Caudal Maxillary Block
- Affects several branches of the maxillary nerve
- Blocks bone, teeth, and soft tissue of the upper jaw
- Blocks bone of the hard palate and soft tissue of the corresponding side
Middle Mental Foramen Block
- Rostral approach mandibular block
- Blocks canine and incisors with bone and soft tissue of the corresponding side
Inferior Alveolar Block
- Requires extra oral and intraoral approach
- Look for facial vascular notch
- Blocks bone, teeth, and soft tissue rostral to the site of corresponding side
Proper Nerve Block Technique
- Use a 25-gauge 1 ml syringe
- Insert the needle into the desired area
- Continually aspirate to ensure the local anesthetic is not being injected into vasculature
- Put pressure over the foramen to keep anesthetic in the desired area
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Description
Overview of local anesthetic blocks in veterinary dentistry, typical anesthetics, toxicity reactions, and maximum dosages. Includes block locations like infraorbital, caudal maxillary, and middle mental foramen blocks, with specific approaches and areas affected.
