Hyperkalemia
Preexisting hyperkalemia
Rhabdomyolysis
Burns, crush injuries, spinal cord injuries, strokes, and intraabdominal sepsis >5 days old
Neuromuscular diseases, e.g., multiple sclerosis, amyotrophic lateral sclerosis, myasthenia gravis myopathies
Myopathies
spinal cord damage (1 week - 3 months old)
History of Malignant Hyperthermia
Immobilization, including found down with unknown time
Allergy to class/drug
Tetanus, botulism, and other exotoxin infections
Succinylcholine
Edrophonium
Rocuronium
Pancuronium
Thiopental
Cisatricurium
Etomidate
Vecuronium