Over the long run, however, the policies of the one-drop rule and segregation, in conjunction with other factors such as a long tradition of racial nationalism and white liberal support, generated a counter-reaction that led to a very different form of racial politics.
Learn about these ultrasound-like tests of the heart -- and find out what to expect -- here. Cardiac Catheterization. Cardiac catheterization -- also called a coronary angiogram -- means running a catheter into your heart. It's done to help doctors see what's going on in there, and whether they need to operate. Here's where to learn about it.
What to expect in a cath lab. The cath lab, also known as a catheter laboratory or cardiac catheterisation laboratory, is part of a hospital's cardiac department. Find out what happens there. A cath lab is where tests and procedures including ablation, angiogram, angioplasty and implantation of pacemakers / ICDs are carried out. Usually you'll be awake for these procedures.