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Malignant Hyperthermia

Breeds

Relevance Rating: The test is unknown, there is no evidence (i.e. research) available, or it has not been evaluated yet. These tests may or may not be meaningful for these breeds

ALL

General

Disease Name
Malignant Hyperthermia
Mutation
T to C substitution
Mutation 2
c.1640T>C
Test Type
Genetic Disease/Disorder
Details
Hyperthermia is a challenging condition as many dogs present as outwardly healthy. Affected dogs develop signs primarily in response to chemical triggers, worsened by stress. Symptoms include: hypercapnea, tachycardia, and hyperthermia during general anesthesia, progressing to: cardiac dysrhythmia, rhabdomyolysis, renal failure, and death. Although thought to be uncommon, it is difficult to estimate because dogs appear normal until exposed to a trigger, and may die before diagnosis.
Details 2
Hyperthermia is a challenging condition as many dogs present as outwardly healthy. Affected dogs develop signs primarily in response to chemical triggers, worsened by stress. Symptoms include: hypercapnea, tachycardia, and hyperthermia during general anesthesia, progressing to: cardiac dysrhythmia, rhabdomyolysis, renal failure, and death. Although thought to be uncommon, it is difficult to estimate because dogs appear normal until exposed to a trigger, and may die before diagnosis.
Published
Roberts, M.C., Mickelson, J.R., Patterson, E.E., Nelson, T.E., Armstrong, P.J., Brunson, D.B., Hogan, K. : Autosomal dominant canine malignant hyperthermia is caused by a mutation in the gene encoding the skeletal muscle calcium release channel (RYR1) Anesthesiology 95:716-725, 2001. Pubmed reference: 11575546.
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