•Patients with occult or known myopathies such as CCD,
MmD, DMD, or BMDmay have a higher risk for an MH or MH-like episode upon exposure to a triggering anesthetic agent. Such patients should be evaluated by a neurologist prior to providing treatment
and/or diagnostic testing
ŘCCD, MmD associated with MH susceptibility.
ŘPatients with Duchenne’s or Becker’s muscular
dystrophies are at risk for
hyperkalemic cardiac arrest with succinylcholine or other MH triggering agents (but this is NOT MH).
ŘIndividuals with any form of myotonia should not receive
Muscle disorders and MH-susceptibility
Hyperkalemia= high serum potassium levels.
This occurs as a result of muscle membrane breakdown. In addition increased
release of the muscle pigment , myoglobin , may occur and lead to kidney