From a purple digit to left atrial appendage thrombus: the critical role of point-of-care transesophageal echocardiography in the emergency department: a case report. Emergency Care Journal, [S. l.], 2026. DOI: 10.4081/ecj.2026.14732. Disponível em: https://www.pagepressjournals.org/ecj/article/view/14732. Acesso em: 17 apr. 2026.