CHD study. Pulmonary veins and left atrium

Question Answer
total anomalous pulmonary venous connection all four pulmonary veins are malpositioned and make anomalous connections to the systemic venous circulation. A patent foramen ovale or an atrial septal defect must be present, or else the condition is fatal due to a lack of systemic blood flow.
supravalvar mitral stenosis abnormal ridge of connective tissue on the atrial side of the mitral valve. The supravalvar ring may encroach on the orifice of the mitral valve and may adhere to the leaflets of the valve and restrict their movements. It obstructs mitral valve inflow.
cor triatriatum a heart with 3 atria (triatrial heart), is a congenital anomaly in which the left atrium (cor triatriatum sinistrum) or right atrium (cor triatriatum dextrum) is divided into 2 parts by a fold of tissue, a membrane, or a fibromuscular band

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