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Table 1 Tricuspid valve pathogenic stratification based on two-dimensional transthoracic echocardiography. TR, tricuspid regurgitation

From: Three-dimensional transthoracic echocardiographic evaluation of tricuspid regurgitation severity using proximal isovelocity surface area: comparison with volumetric method

Variable n (%)
Primary TR, overall 44(44.4)
Rheumatic changes 28(28.3)
Congenital changes 7(7.1)
Trauma 4(4.0)
Endocarditis 3(3.0)
Degeneration 2(2.0)
Secondary TR, overall 55(55.6)
Left-sided heart disease 37(39.4)
Atrial Fibrillation 8(8.1)
Pulmonary arterial hypertension 5(5.1)
Right ventricle dysfunction 3(3.0)
Pacemaker 2(2.0)