Central Nervous System Pharmacology - Somatic and Autonomic Receptors
Somatic
• Rocuronium -> Non-depolarizing (reversible competitive inhibitors)
• Succinylcholine -> Depolarization
• Neostigmine - blocks action AchE = increases the levels of Ach (reversal of nondepolarizing agents)
• Atropine -> reversible competitive antagonist (anti- cholinergic)
Autonomic
• Parasympathetic “Rest and Digest” - Ach -> Nicotinic Receptor -> Ach -> Muscarinic Receptor
• Sympathetic “Fight or Flight” - Ach -> Nicotinic Receptor -> NE -> Adrenergic Receptor
• Sympathetic Innervation of Adrenal Medulla - Ach -> Adrenal Medulla Nicotinic Receptor -> Epinephrine released into blood -> Adrenergic Receptor
- Amy Chung, MD, MSc @AmyChung
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