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In most people with malignant hyperthermia susceptibility, they have few or no symptoms unless they are exposed to a triggering agent. The most common triggering agents are volatile anesthetic gases, such as halothane , sevoflurane , desflurane , isoflurane , enflurane or the depolarizing muscle relaxants suxamethonium and decamethonium used ...
The first symptoms of neuroleptic malignant syndrome are usually muscle cramps and tremors, fever, symptoms of autonomic nervous system instability such as unstable blood pressure, and sudden changes in mental status (agitation, delirium, or coma). Other possible symptoms include sweating, trouble swallowing, tremors, incontinence, and mutism.
Hyperthermia from neurological disease may include little or no sweating, cardiovascular problems, and confusion or delirium. Other signs and symptoms vary. Accompanying dehydration can produce nausea , vomiting, headaches , and low blood pressure and the latter can lead to fainting or dizziness , especially if the standing position is assumed ...
patients with active hepatic disease; patients in whom spasticity is utilized to maintain upright posture and balance; patients with a hypersensitivity to dantrolene; There are no contraindications for intravenous dantrolene used for prophylaxis or management of malignant hyperthermia. [14]
Paroxysmal sympathetic hyperactivity (PSH) is a syndrome that causes episodes of increased activity of the sympathetic nervous system.Hyperactivity of the sympathetic nervous system can manifest as increased heart rate, increased respiration, increased blood pressure, diaphoresis, and hyperthermia. [1]
If nicotinic receptors of the autonomic ganglia or adrenal medulla are blocked, these drugs may cause autonomic symptoms. Also, neuromuscular blockers may facilitate histamine release, which causes hypotension, flushing, and tachycardia. Succinylcholine may also trigger malignant hyperthermia in rare cases in patients who may be susceptible.
Drug-induced fever is a symptom of an adverse drug reaction wherein the administration of drugs intended to help a patient causes a hypermetabolic state resulting in fever. The drug may interfere with heat dissipation peripherally, increase the rate of metabolism , evoke a cellular or humoral immune response , mimic endogenous pyrogen , or ...
Onset of symptoms is typically within a day of the extra serotonin. [2] Diagnosis is based on a person's symptoms and history of medication use. [2] Other conditions that can produce similar symptoms such as neuroleptic malignant syndrome, malignant hyperthermia, anticholinergic toxicity, heat stroke, and meningitis should be ruled out. [2]