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- Cholinergic_crisis abstract "A cholinergic crisis is an over-stimulation at a neuromuscular junction due to an excess of acetylcholine (ACh), as of a result of the inactivity (perhaps even inhibition) of the AChE enzyme, which normally breaks down acetylcholine. This is a consequence of some types of nerve gas, (e.g. sarin gas). In medicine, this is seen in patients with myasthenia gravis who take too high a dose of their anticholinesterase treatment medications, or seen in some surgical cases, when too high a dose of a cholinesterase inhibitor is given to reverse surgical muscle paralysis. As a result of cholinergic crisis, the muscles stop responding to the bombardment of ACh, leading to flaccid paralysis, respiratory failure, and other signs and symptoms reminiscent of organophosphate poisoning. Other symptoms include increased sweating, salivation, bronchial secretions along with miosis. This crisis may be masked by the concomitant use of atropine along with cholinesterase inhibitors in order to prevent side effects. Flaccid paralysis resulting from cholinergic crisis can be distinguished from myasthenia gravis by the use of the drug edrophonium (Tensilon), which worsens the paralysis caused by cholinergic crisis, but strengthens the muscle in the case of myasthenia gravis.(Edrophonium is an anticholinesterase inhibitor hence increases the concentration of acetylcholine present). Some elements of cholinergic crisis can be treated with antimuscarinic drugs like atropine, but the most important element, respiratory arrest, cannot. The neuromuscular junction, where the brain communicates with skeletal muscle (like the diaphragm, the main breathing muscle), works by acetylcholine activating nicotinic acetylcholine receptors and leading to muscle contraction. Atropine blocks muscarinic acetylcholine receptors (a different subtype than the nicotinic receptors at the neuromuscular junction), so atropine will not improve the muscle strength and ability to breath in someone with cholinergic crisis. Such a patient will require mechanical ventilation support via endotracheal intubation until the crisis resolves on its own. The respiratory compromise from cholinergic crisis unfortunately has no pharmacologic solution or therapy.".
- Cholinergic_crisis wikiPageID "3237962".
- Cholinergic_crisis wikiPageRevisionID "604726835".
- Cholinergic_crisis auto "yes".
- Cholinergic_crisis date "December 2009".
- Cholinergic_crisis hasPhotoCollection Cholinergic_crisis.
- Cholinergic_crisis subject Category:Medicinal_chemistry.
- Cholinergic_crisis subject Category:Neurotransmitters.
- Cholinergic_crisis subject Category:Pharmacology.
- Cholinergic_crisis subject Category:Toxicology.
- Cholinergic_crisis type Abstraction100002137.
- Cholinergic_crisis type Chemical114806838.
- Cholinergic_crisis type Compound114818238.
- Cholinergic_crisis type Material114580897.
- Cholinergic_crisis type Matter100020827.
- Cholinergic_crisis type Neurochemical114807410.
- Cholinergic_crisis type Neurotransmitter114807558.
- Cholinergic_crisis type Neurotransmitters.
- Cholinergic_crisis type OrganicCompound114727670.
- Cholinergic_crisis type Part113809207.
- Cholinergic_crisis type PhysicalEntity100001930.
- Cholinergic_crisis type Relation100031921.
- Cholinergic_crisis type Substance100019613.
- Cholinergic_crisis comment "A cholinergic crisis is an over-stimulation at a neuromuscular junction due to an excess of acetylcholine (ACh), as of a result of the inactivity (perhaps even inhibition) of the AChE enzyme, which normally breaks down acetylcholine. This is a consequence of some types of nerve gas, (e.g. sarin gas).".
- Cholinergic_crisis label "Cholinergic crisis".
- Cholinergic_crisis label "Crise cholinergique".
- Cholinergic_crisis label "Przełom cholinergiczny".
- Cholinergic_crisis sameAs Crise_cholinergique.
- Cholinergic_crisis sameAs Przełom_cholinergiczny.
- Cholinergic_crisis sameAs m.090gb0.
- Cholinergic_crisis sameAs Q3002709.
- Cholinergic_crisis sameAs Q3002709.
- Cholinergic_crisis sameAs Cholinergic_crisis.
- Cholinergic_crisis wasDerivedFrom Cholinergic_crisis?oldid=604726835.
- Cholinergic_crisis isPrimaryTopicOf Cholinergic_crisis.