Mind the gap: a threatening complication after myocardial infarction.

∗ Corresponding author. E-mail address: [email protected] (P. Rodrigues). The patient rapidly evolved with cardiogenic shock and a new systolic murmur. The echocardiogram revealed interventricular septal rupture with an extensive interventricular communication at the level of the posterobasal septum, associated with a serpiginous dissection of the septum, forming a neocavity, with an exit port in the mid-apical area of the right