| Definitions |
A malformation of the heart in which the embryonic common PULMONARY VEIN was not incorporated into the LEFT ATRIUM leaving behind a perforated fibromuscular membrane bisecting the left atrium, a three-atrium heart. The opening between the two left atrium sections determines the degree of obstruction to pulmonary venous return, pulmonary venous and pulmonary arterial hypertension.
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Hearts, Triatrial Triatrial Hearts Subdivided Left Atrium Left Atrium, Subdivided Triatrial Heart Atriums, Subdivided Left Cor Triatriatum Sinistrum Heart, Triatrial Subdivided Left Atriums Left Atriums, Subdivided Atrium, Subdivided Left
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| definition |
A malformation of the heart in which the embryonic common PULMONARY VEIN was not incorporated into the LEFT ATRIUM leaving behind a perforated fibromuscular membrane bisecting the left atrium, a three-atrium heart. The opening between the two left atrium sections determines the degree of obstruction to pulmonary venous return, pulmonary venous and pulmonary arterial hypertension.
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