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Figure 1 A schematic representation of the anatomic distribution of focal atrial tachycardias. The atrioventricular valvular annuli have been removed. CS = coronary sinus; CT = crista terminalis; LA = left atrium; LAA = left atrial appendage; MA = mitral annulus; PV = pulmonary vein; RA = right atrium; RAA = right atrial appendage; TA = tricuspid annulus.
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