
High prevalence of vitamin D deficiency and its association with left ventricular dilation: An echocardiography study in elderly patients with chronic heart failure
Keywords: انجمن قلب نیویورک; Vitamin D; Heart failure; Elderly; Echocardiography25(OH)D, 25-hydroxyvitamin D; 1,25(OH)2D, 1,25-dihydroxyvitamin D; CHF, chronic heart failure; NYHA, New York Heart Association; NT-proBNP, N-terminal pro-brain natriuretic peptide; LV, left ventricular;