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Malignant hyperthermia (MH) is a type of severe reaction that occurs in response to particular medications used during general anesthesia, among those who are susceptible. [1] Symptoms include muscle rigidity , fever , and a fast heart rate . [ 1 ]
The presence of signs and symptoms related to hyperthermia syndromes, such as extrapyramidal symptoms characteristic of neuroleptic malignant syndrome, and the absence of signs and symptoms more commonly related to infection-related fevers, are also considered in making the diagnosis.
Other signs and symptoms of malignant hyperthermia include metabolic and respiratory acidosis, hyperkalemia, and cardiac arrhythmias. Akinetic mutism is a neurological disorder characterized by a decrease in goal-directed behavior and motivation; however, the patient has an intact level of consciousness. [ 54 ]
Sepsis, encephalitis, neuroleptic malignant syndrome, [8] malignant hyperthermia, [8] lethal catatonia, spinal cord injury (not associated with PSH), seizures, and hydrocephalus (this can be associated with PSH) are examples of diagnoses that should be considered due to the manifestation of similar symptoms before confirming a diagnosis of PSH. [3]
Symptoms are sometimes misinterpreted by doctors as symptoms of mental illness which can result in delayed treatment. [11] Symptoms may also be mistaken for similarly presenting conditions such as malignant hyperthermia, serotonin syndrome, or withdrawal from illicit drugs such as alcohol cocaine, or MDMA. [7]
Malignancy, malignant neoplasm and malignant tumor are synonymous with cancer; Malignant ascites; Malignant transformation; Non-oncologic disorders referred to as "malignant" include: Malignant hypertension; Malignant hyperthermia; Malignant otitis externa; Malignant tertian malaria (malaria caused specifically by Plasmodium falciparum)
Signs and symptoms of myoglobinuria are usually nonspecific and needs some clinical prudence. ... Trauma, vascular problems, malignant hyperthermia, ...
Neuroleptic malignant syndrome; rare, life-threatening hyperpyrexia caused by antidopaminergic drugs (mostly antipsychotics) e.g. Haloperidol, Chlorpromazine Serotonin syndrome ; excessive serotonergic activity due usually to combined use of serotonergic drugs ( e.g. antidepressants , stimulants , triptans )