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Malignant hyperthermia is diagnosed on clinical grounds, but various laboratory investigations may prove confirmatory. These include a raised creatine kinase level, elevated potassium, increased phosphate (leading to decreased calcium) and—if determined—raised myoglobin; this is the result of damage to muscle cells.
Neuroleptic malignant syndrome (NMS) is a rare [5] [6] but life-threatening reaction that can occur in response to antipsychotics (neuroleptic) or other drugs that block the effects of dopamine. [ 1 ] [ 7 ] Symptoms include high fever , confusion, rigid muscles, variable blood pressure, sweating, and fast heart rate. [ 1 ]
Sugammadex, sold under the brand name Bridion, is a medication for the reversal of neuromuscular blockade induced by rocuronium and vecuronium [5] in general anaesthesia. It is the first selective relaxant binding agent (SRBA). It is marketed by Merck. [8]
As a result, it is contraindicated for patients with susceptibility to malignant hyperthermia, denervating conditions, major burns after 48 hours, and severe hyperkalemia. For nondepolarizing NMBAs except vecuronium, pipecuronium, doxacurium, cisatracurium, rocuronium and rapacuronium, they produce certain extent of cardiovascular effect. [ 14 ]
Dantrolene was widely used in the management of spasticity [19] before its efficacy in treating malignant hyperthermia was discovered by South African anesthesiologist Gaisford Harrison and reported in a landmark 1975 article published in the British Journal of Anaesthesia. [20]
Malignant hyperthermia (MH) from suxamethonium administration can result in a drastic and uncontrolled increase in skeletal muscle oxidative metabolism. This overwhelms the body's capacity to supply oxygen , remove carbon dioxide , and regulate body temperature, eventually leading to circulatory collapse and death if not treated quickly.
Ahead of the Super Bowl LIX rematch between the Kansas City Chiefs and Philadelphia Eagles on Sunday, former New Orleans Saints quarterback Drew Brees is weighing in on both teams' chances of victory.
Recreational drugs such as amphetamines [17] and cocaine, [18] PCP, dextromethorphan, LSD, and MDMA may cause hyperthermia. [2] Malignant hyperthermia is a rare reaction to common anesthetic agents (such as halothane) or the paralytic agent succinylcholine. Those who have this reaction, which is potentially fatal, have a genetic predisposition. [2]