Congenital absence of the circumflex coronary artery Antonio Padilla-Serrano, Carmen de la Cueva Coca, Antonio Cárdenas Cruz

Esophageal perforation secondary to achalasia Rosa María Vela Colmenero, Crispín Colmenero Aguilar, Ana María Vela Colmenero

Utility of the strain in the management of acute coronary syndrome: Report of clinical case of a spontaneous hematoma of coronary artery J. Navarro Martínez, M. García Valiente, I. Keituqwa Yáñez