{"RYR1": "Individuals are at increased risk of developing malignant hyperthermia if administered halogenated volatile anesthetics or the depolarizing muscle relaxant succinylcholine", "CACNA1S": "These results do not eliminate the chance that this patient is susceptible to malignant hyperthermia (MH). The genetic cause of about half of all MH survivors, with MH susceptibility confirmed by contracture test, remains unknown (PMID 28902675)."}