Fig. 1From: Association of left atrial volume index and all-cause mortality in patients referred for routine cardiovascular magnetic resonance: a multicenter studyTwo (a) and four (b) chamber CMR left ventricular view tracing of left atrium (LA). The LA appendage and pulmonary veins are excluded from area planimetry. Length is drawn as a perpendicular line from mid-point of the straight line connecting the mitral annulusBack to article page