Baby bird’s beak sign

Last revised by Bahman Rasuli on 25 Apr 2024

Citation, DOI, disclosures and article data

Citation:

Rasuli B, Gaillard F, Baby bird’s beak sign. Reference article, Radiopaedia.org (Accessed on 04 May 2024) https://doi.org/10.53347/rID-152714

DOI:

https://doi.org/10.53347/rID-152714

Permalink:

https://radiopaedia.org/articles/152714

rID:

152714

Article created:

16 Sep 2022, Bahman Rasuli ◉

Disclosures:

At the time the article was created Bahman Rasuli had no financial relationships to ineligible companies to disclose.

Last revised:

25 Apr 2024, Bahman Rasuli ◉

Disclosures:

At the time the article was last revised Bahman Rasuli had no financial relationships to ineligible companies to disclose.

Revisions:

4 times, by 2 contributors - see full revision history and disclosures

The baby bird's beak sign is an antenatal ultrasound appearance formed by the pulmonary artery abnormally arising from the left ventricle in fetuses with transposition of the great arteries.

In these cases, the pulmonary artery bifurcation and abnormal outflow tracts mimic the head of a baby bird with an open beak¹.

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