They are not interchangeable in clinical practice
J Hypertens 34:18871920 Flynn JT, Kaelber DC, Baker-Smith CM, Blowey D, Carroll AE, Daniels SR, de Ferranti SD, Dionne JM, Falkner B, Flinn SK, Gidding SS, Goodwin C, Leu MG, Powers ME, Rea C, Samuels J, Simasek M, Thaker VV, Urbina EM (2017) Clinical practice guideline for screening and management of high blood pressure in children and adolescents
Disorders that result from defects in mitochondrial fatty acid -oxidation fall into three main groups: Deficiencies in Carnitine Deficiencies in carnitine can be either primary or secondary
Journal of neurochemistry 93, 16031615, doi: 10.1111/j.1471-4159.2005.03161.x (2005)