Pulmonary Artery Hypertension - Arborization by Pulmonary Angiography

Postmortem angiogram of normal and abnormal pulmonary artery arborization:
From Anderson RH & Becker AE. The Heart. Structure in Health and Disease. Gower Medical Publishing. London & New York 1992.

Upper panel - Normal arborization pattern
Lower panel - Winter Tree pattern of Advanced pulmonary hypertension

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