Arab Board Dermatology Final

Practice session

A 70 kg patient is scheduled for extensive cutaneous surgical excision under local anesthesia. What is the maximum recommended safe dose of plain lidocaine 1% (without epinephrine) versus lidocaine 1% with epinephrine (1:100,000), and what is the emergency antidote for Local Anesthetic Systemic Toxicity (LAST) cardiovascular collapse?

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