An ostium primum atrial septal defect (ASD) occurs when then atrial septum near the atrioventricular valves has a communication between the two atrium causing a left to right shunt. This rarely ...

One explanation for the low pacemaker rate, they said, may be LuX-Valve's tongue-shaped anchoring mechanism that attaches to the interventricular septum to avoid the oversizing and compressing of the ...

If the left ventricle is noncompliant, and atrial contraction forces blood through the atrioventricular valves, a S4 is produced by the blood striking the left ventricle. CLINICAL PEARL ...