Anaesthetists' nightmare: masseter spasm after induction in an undiagnosed case of myotonia congenita

We report an undiagnosed case of myotonia congenita in a 24-year-old previously healthy primigravida, who developed life threatening masseter spasm following a standard dose of intravenous suxamethonium for induction of anaesthesia. Neither the patient nor the anaesthetist was aware of the diagnosis...

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Veröffentlicht in:	Medical journal of Malaysia 2008-12, Vol.63 (5), p.423
Hauptverfasser:	Looi, I, Bakar, A A A, Lim, C H, Khoo, T H, Samuel, P E S
Format:	Artikel
Sprache:	eng
Schlagworte:	Anesthesia, General - methods Cesarean Section Female Humans Myotonia Congenita - chemically induced Myotonia Congenita - diagnosis Neuromuscular Depolarizing Agents - administration & dosage Neuromuscular Depolarizing Agents - adverse effects Pregnancy Pregnancy Complications - chemically induced Pregnancy Complications - diagnosis Succinylcholine - administration & dosage Succinylcholine - adverse effects Trismus - chemically induced Trismus - diagnosis Young Adult
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Zusammenfassung:	We report an undiagnosed case of myotonia congenita in a 24-year-old previously healthy primigravida, who developed life threatening masseter spasm following a standard dose of intravenous suxamethonium for induction of anaesthesia. Neither the patient nor the anaesthetist was aware of the diagnosis before this potentially lethal complication occurred.
ISSN:	0300-5283