Ferreira, Beatriz SousaAlmeida, Francisca Ferreira deCorreia, Ana Isabel2025-10-222025-10-222025-06-30Nascer e Crescer - Birth and Growth Medical Journal 2025;34(2):90-92. doi:10.25753/BirthGrowthMJ.v34.i2.354932183-9417http://hdl.handle.net/10400.16/3719The prenatal diagnosis of a right aortic arch consists of the visualization of a malposition of the aorta crossing the upper mediastinum to the right side of the trachea. The detection rate of this anatomic abnormality has improved with the introduction of the upper mediastinum views in routine fetal ultrasonographic evaluation. The following casereport demonstrates a fetus affected by an isolated right aortic arch emphasizing the importance of the five Yagel views of the fetal heart.engaortic archfetal echocardiographyfetal heartprenatal ultrasonographyRight aortic arch: the value of the upper mediastinum view in fetal echocardiographyArco aórtico direito: o valor do plano do mediastino superior em ecocardiografia fetaltext10.25753/BirthGrowthMJ.v34.i2.35493