While past research has mainly focused on the left ventricle and the coronary arteries, the effects of the disease on the ...

The image to the right shows the location of the different ... defect 3 = Ostium secundum atrial septal defect 4 = Coronary sinus atrial septal defect 5 = Ostium Primum atrial septal defect ...

The left ventricular lead is inserted through the coronary sinus in the right atrium, then fed posteriorly toward the left ventricle. Left ventricular ejection fraction < 35%, a QRS duration of ...