opisthotonus


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Related to opisthotonus: oculogyric crisis

o·pis·thot·o·nos

, opisthotonus (ō'pis-thot'ō-nŭs),
A tetanic spasm in which the spine and extremities are bent with convexity forward, the body resting on the head and the heels.
[opistho- + G. tonos, tension, stretching]

opisthotonus

Neurology A type of spasm in which the head and heels arch backward in extreme hyperextension and the body forms a reverse bow; opisthotonus may be seen in scorpion stings, due to cholinergic hyperstimulation by venom.

o·pis·thot·o·nos

, opisthotonus (ō'pis-thot'ǒ-nos, -nŭs)
A tetanic spasm in which the spine and limbs are bent with convexity forward, the body resting on the head and the heels.
[opistho- + G. tonos, tension, stretching]

opisthotonus

Spasmodic, powerful contractions of the back and rear neck muscles causing the body to arch backwards so that the heels approximate to the head. This is a feature of TETANUS, severe MENINGITIS, strychnine poisoning and some brainstem disorders.
References in periodicals archive ?
infection, were depression, polyuria, torticollis, opisthotonus, paralysis, trembling, and death.
However, because its use can result in poor muscle relaxation, muscle tremors, myotonic contractions, opisthotonus, and rough recovery, ketamine is rarely used alone (7-10); it is often paired with drugs such as alpha-adrenergic agonists, benzodiazepines, and propofol for chemical restraint and induction of anesthesia in birds.
She had cervical opisthotonus, an audible stridor and coughing which precipitated intermittent airway obstruction thus necessitating urgent endotracheal intubation accomplished by anesthesiology.
The clinical course was characterized by depression, mild diarrhea, torticollis, opisthotonus, paralysis, and trembling.