according aorta apex artery assess assessment best better bizarre categorized cavity characteristic cine consequent content contrast crevices delay delayed differentiate disease diseases done effective effusion ejection encoding enhancement etiology evaluation extent feasibility fibrosis fraction function functional grades heart improvement included incompetence inflow involvement irregular made mass mechanisms morphological morphology myocardial myocardium obliteration outline partial patients pattern plastering predominantly pulmonary radiology recovery soft studied subsequent suggest summary taken thickening thrombus tool tropical types typical unlike valve varied various varying velocities velocity ventricle ventricular ware