<a href=http://cialis.lat/discover-the-best-prices-for-cialis>cialis</a> Other less common causes of right ventricular hypertrophy are high altitude, left to right shunt, an atrial septal defect, a ventricular septal defect, anomalous pulmonary venous return, Eisenmenger syndrome, stenosis of the pulmonic valve or pulmonary artery, hyperthyroidism, cardiac fibrosis and cardiomyopathy affecting RV, and athlete heart syndrome