multiple acyl-CoA dehydrogenase deficiency
A disorder of fatty acid and amino acid oxidation, caused by mutations in ETFDH, ETFA, or ETFB, and is a clinically heterogeneous disorder ranging from a severe neonatal presentation with metabolic acidosis, cardiomyopathy and liver disease, to a mild childhood/adult disease with episodic metabolic decompensation, muscle weakness, and respiratory failure.