PMC7673912_01
TTE demonstrating the left atrium expansion which has a fibromuscular membrane which divides the left atrium into two chambers.
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fig1
Transthoracic echocardiogram (TTE) demonstrated that the left atrium was expanded and had the fibromuscular membrane, which divided the left atrium into two chambers (Figure 1).
TEE revealing cor triatriatum having two fenestrations: one with a width of 2 mm and the other with 3 mm diameter.
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A feneration had a maximum pressure gradient by continuous-wave Doppler of 20 mmHg (Figure 2).
Selective pulmonary angiography showing AV malformation in the upper part of the left lung.
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The angiography showed the late opacification of drainage veins connecting to the other pulmonary vein from the different segments of the left lung (Figure 3).