Fig. 2From: Atypical fetal junctional ectopic tachycardia: a case report and literature reviewFetal M-mode ultrasound. Ventriculo-atrial dissociation in atypical junctional ectopic tachycardia; junctional ectopic tachycardia was diagnosed postnatally, and the findings were detected retrospectively. In the four-chamber view of the heart, which shows the left ventricle and right atrium, the wide arrow indicates atrial contraction, the narrow arrow indicates ventricular contraction, and the arrowhead indicates a premature ventricular contractionBack to article page