Anomalous origin of the left common carotid artery from the main pulmonary artery

What it means

The left common carotid artery normally originates from the aortic arch. This term refers to an origin of this artery from the main pulmonary artery.

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