Fig. 1From: Anesthetic management of cesarean hysterectomy using intra-aortic balloon occlusion in a patient with Fontan circulation and placenta increta: a case reportCirculatory flow in the current Fontan-palliated patient A without infrarenal IABO and B with IABO. A Venous blood flows back directly to the pulmonary artery without passing through the atrium and ventricle. B When infrarenal IABO is applied, cardiac output is assumed to be reduced. IABO, intra-aortic balloon occlusionBack to article page