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Questions and Answers
What is a local symptom of toxicity caused by a local anesthetic drug?
What is a local symptom of toxicity caused by a local anesthetic drug?
- Ischemia at the site of injection
- Nausea and vomiting
- Hypotension
- Convulsion
What happens when a local anesthetic drug reaches a toxic level in circulation?
What happens when a local anesthetic drug reaches a toxic level in circulation?
- Local symptoms occur at the site of injection
- Systemic symptoms are observed
- The drug is metabolized faster
- The anesthetic effect is enhanced
Which of the following is NOT a systemic symptom of toxicity caused by a local anesthetic drug?
Which of the following is NOT a systemic symptom of toxicity caused by a local anesthetic drug?
- Nausea and vomiting
- Excitement
- Salivation
- Ischemia
What is the most severe outcome of toxicity caused by a local anesthetic drug?
What is the most severe outcome of toxicity caused by a local anesthetic drug?
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What is a cardiovascular systemic symptom of toxicity caused by a local anesthetic drug?
What is a cardiovascular systemic symptom of toxicity caused by a local anesthetic drug?
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Study Notes
Local Anesthetic Toxicity
- Local anesthetic drugs can produce two types of toxicity symptoms: local and systemic.
Local Symptoms
- Ischemia at the site of injection
- Necrosis at the site of injection
Systemic Symptoms
- Occur when local anesthetic drug reaches toxic level in circulation
- Characterized by:
- Decreased cardiac output
- Excitement
- Nausea and vomiting
- Convulsion
- Salivation
- Hypotension
- Abnormal heart beat
- Coma
- Death
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