Home > Heart Disease > 64 Slice Cat Scan To Evaluate Your Heart Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Apr 29, 2010 by JMartin, Views: 2419 The 64 slice Cat Scan can quickly, and non invasively help doctors to look at the heart, including looking for blockages in the heart arteries. A heart catheterization used to be necessary to look at these arteries, but now this new technology can see your coronary arteries without putting catheters into the heart.