Anomalous origin of one pulmonary artery from ascending aorta

What it means

Anomalous origin of one pulmonary artery from the ascending aorta with the contralateral pulmonary artery arising from the right ventricle.

Origin of a pulmonary artery from the aorta is also known as hemitruncus. One pulmonary artery branch, usually the right, arises from the ascending aorta just above the aortic sinuses, while the main pulmonary artery and the other pulmonary branch arise in their normal position from the right ventricle.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Hemitruncus