NI, L. A patient with a history of syncope experiencing cardiac arrest after brachial plexus block. Journal of the Pakistan Medical Association, [S. l.], v. 76, n. 02, p. 258–259, 2026. DOI: 10.47391/JPMA.22577. Disponível em: https://www.jpma.org.pk/index.php/public_html/article/view/22577. Acesso em: 11 mar. 2026.