A rare congenital heart valve condition called a unicuspid valve occurs when a person is born with only one cusp on the aortic valve instead of the usual three.
Sources
- Bicuspid aortic valve - Overview - Mayo Clinic (mayoclinic.org)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5566075/ (ncbi.nlm.nih.gov)
- https://www.icliniq.com/articles/heart-circulatory-health/unicuspid-aortic-valve (icliniq.com)
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