An atrial septal defect (ASD) is an opening or hole in the wall that separates the two upper chambers of the heart.This wall is called the atrial septum. The hole causes oxygen-rich blood to leak from the left side of the heart to the right side.n atrial septal defect (ASD) is an opening or hole in the wall that separates the two upper chambers of the heart.
The Connecticut Compromise (also known as the Great Compromise of 1787 or Sherman's Compromise) was an agreement that large and small states reached during the Constitutional Convention of 1787 that in part defined the legislative structure and representation that each state would have under the United States Constitution.
At the Constitutional Convention, the main compromise involved the  issue of representation of small and large states in the federal  government.The deal that was reached i â¦ s known as the Connecticut  Compromise.t the Constitutional Convention, the main compromise involved the  issue of representation of small and large states in the federal  government.