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5.8.3 Explain the effects of drugs and toxins on the action potential (local anaesthetics, tetrodotoxin).
Why this video
Explains how local anaesthetic agents target voltage-gated sodium channels to inhibit the generation and conduction of action potentials.
Part of this line
Covers part of this objective. It leaves out: It focuses only on local anaesthetics and does not cover tetrodotoxin or other neurotoxins.
Heads up
Be aware of this course's specific sequence for differential nerve block, where small myelinated fibres (B and Aδ/Aγ) are blocked before unmyelinated C fibres.
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