Two-dimensional subcostal transthoracic echocardiogram showing reduction in IVC size with inspiration
Two-dimensional subcostal transthoracic echocardiogram showing reduction in IVC size with inspiration
Subcostal view showing a decrease (normal) in IVC size with inspiration. This change occurs due to the temporary decrease in intrathoracic pressure associated with inspiration, resulting in augmented venous return to the right heart.