Cardiac: Cardiac functional analysis (CFA) using "one beat" scan protocol. Data is acquired over the time frame of one cardiac cycle. Modulation of the mA can be seen in this short axis, two chamber and four chamber views. The mA has been lowered during the systolic phase and increased during diastole. The ability to modulate the mA during a single R to R interval for a lower radiation dose using Aquilion ONE CT.