Bidirectional shunt

What it means

Pattern of blood flow in the heart that deviates from the normal circuit of the circulatory system from both right side of the heart to the left and vice versa.

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