NCIt synonyms : Complex IV Deficiency; Mitochondrial Complex IV Deficiency; Cytochrome C Oxidase Deficiency;
NCIt definition : A very rare inherited metabolic disorder characterized by deficiency of the enzyme
cytochrome-C oxidase. It may be manifested as an isolated myopathy or a systemic disorder.
Signs and symptoms include myotonia, dysfunction of the heart, kidney, and brain,
and lactic acidosis.;