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Figure 4 Spot film of the animal experimental set-up: 1) expanded catheter pump in a transvalvular aortic position (white notched arrows); 2) tip marker of the delivery sheath (thick white notched arrow); 3) inflated balloon catheter in the left anterior descending coronary artery to provoke cardiogenic shock (thin white arrow); and 4) Swan-Ganz catheter in the pulmonary artery for cardiac output measurement (black arrows).