Background MCAD-deficiency is the most common inborn error of fatty acid oxidation now included in many newborn screening programms using MS/MS. for healthy persons but for patients with chronic diseases like MCAD as well. Keywords: Macro-AST, MCAD-deficiency, Liver, Heart, Muscle, Immunoglobulin Background Medium chain acyl CoA-dehydrogenase (MCAD)-deficiency (OMIM #201450) is the most common inborn error… Continue reading Background MCAD-deficiency is the most common inborn error of fatty acid