The current guidelines address the indications for left heart catheterization associated with coronary angiography, but most of these instructions do not mention ventriculography, as this test is often at the operator’s discretion. For many years, ventriculography was used as the gold standard method for ventricular function. This mini editorial presents some insights to fill this gap. Some complications may occur concerning ventriculography, such as contrast-induced nephropathy (CIN) in approximately 1% of patients without predisposing factors and in 10% to 30% […]