Cardiac Radiography > Pathology > Pulmonary Vascular Patterns > Introduction


Pulmonary Vascular Patterns

A normal pulmonary vascular pattern in the adult is characterized by a concave or straight pulmonary trunk and normal gravitational distribution of the blood flow. In the erect individual this means that the upper lobe vessels will be smaller than the lower lobe vessels, and that none of the vessels will be enlarged. In the supine patient, the upper and lower lobe vessels will be more equal in size.

 

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