Figure 3

Left: blood enhancement in the pulmonary artery (PA) and aorta (Ao) after a slow injection (30 s) of 15 million 4% v/v loaded BMM into the jugular vein. Right: transient increase of blood echogenicity enhancement in the carotid artery just after a bolus injection of 15 million of PFH (4% v/v) loaded BMM into the jugular vein.