According to the recommendations of the European Society of Cardiologists. transthoracic echocardiography (TTE) is the most informative diagnostic method in patients with chronic heart failure (CHF) [3]. Echocardiography provides accurate information on the size of heart chambers. wall thickness and indices of systolic and diastolic function. https://parisnaturalfoodes.shop/product-category/black-walnut-complete/