2D ECHO AND DOPPLER STUDIES: * Normal left ventricular geometry (left ventricular mas with adequate wall motion and contractility. Blunted pu and normal mitral annular velocity by Tissue Doppler Normal right ventricular dimension with adequate ca systolic excursion = 2.8 cm; RVFAC = 40%) Normal left atrial dimension with left atrial volume in * Normal right atrial dimension * Structurally normal mitral valve associated with mil * Structurally normal aortic valve and pulmonic valve * Structurally normal tricuspid valve associated with * Normal main pulmonary artery. Normal estimated Normal aortic root dimension effusion