Congenital cholinesterase deficiency (succinylcholine apnea). Cholinesterase is an enzyme best known for its role in regulation of nerve impulse transmission via breakdown of acetylcholine at the nerve synapse and neuromuscular junction. There are two categories of cholinesterase: acetylcholinesterase (“true cholinesterase”), found in RBCs and nerve tissue; and serum cholinesterase (“pseudocholinesterase”). Cholinesterase deficiency became important when […]