LCHAD(1) progressed(1) Respiratory failure(1) COVID‐19(1) death(1) cardiac function(1) respiratory symptom(1) feature(1) Coronavirus disease 2019(1) addition(1) cough(1) myocarditis(1) multiple organ failure(1) deficiency(1) close monitoring(1) long‐chain 3‐hydroxyacyl‐CoA dehydrogenase deficiency(1) Infection(1) SARS‐CoV‐2(1) Mild(1) Arrhythmias(1) vomiting(1) fatty acid oxidation disorder(1) pandemic(1) diverse presentation(1) Case report(1) Patient(1) RNA virus(1) nausea(1) fatty acid oxidation(1) COVID‐19(1)