neurologic disorders
Disorders of Neuromuscular Transmission
Drugs or toxic chemicals
Cholinergic drugs, Organophosphate Poisoning and Carbamate Poisoning , and most treatment may cause a reversible syndrome that clinically and electromyographically resembles Myasthenia Gravis . Excessive magnesium orally or IV (with blood levels approaching 8 to 9 mg/dL [4 to 4.5 mmol/L]) can also induce severe weakness resembling a myasthenic syndrome. Immune checkpoint inhibitors (eg, Treatment consists of eliminating the drug or toxic chemical and providing necessary respiratory support and intensive nursing care.Atropine0.4 to 0.6 mg orally 3 times a day decreases bronchial secretions in patients with cholinergic excess. Higher doses (eg, 2 to 4 mg IV every 5 minutes) may be necessary for organophosphate insecticide or nerve gas poisoning. 