Cardiac phantom

DETAILED DESCRIPTION We claim: 1.
A computer system for controlling an apparatus capable of simulating a cardiac ventricle, comprising: means for determining data points for a selected ventricular volume versus time curve from among a plurality of possible volume versus time curves including at least one abnormal cardiac curve; means for sampling a position of a pump motor; means for determining the pump motor position and at least one subsequent position of the pump motor corresponding to the selected volume versus time curve; means for calculating velocity and acceleration to reach the subsequent position to simulate a cardiac ventricle; and means for moving the pump motor to the subsequent position based on the calculated velocity and acceleration.
2.
The apparatus of claim 1 wherein at least some the plurality of volume versus time curves can be selected to characterize dynamic diastolic-systolic conditions.
3.
A computer-readable medium whose contents cause a computer system to control an apparatus capable of simulating a cardiac ventricle, by performing the steps of: determining data points for a selected ventricular volume versus time curve from among a plurality of possible volume versus time curves including at least one abnormal cardiac curve; sampling a position of a pump motor; defining the pump motor position and at least one subsequent position of the pump motor corresponding to the selected volume versus time curve; calculating velocity and acceleration to reach the subsequent position to simulate a cardiac ventricle; and moving the pump motor to the subsequent position based on the calculated velocity and acceleration.
4.
The computer readable medium of claim 3 further enabled to cause the computer system to perform the step of repeating the method if the motor reaches the subsequent position and a calculated time for the pump motor to move to the subsequent position has not elapsed.
5.
The computer readable medium of claim 4 wherein at least some the plurality of volume versus time curves can be selected to characterize dynamic diastolic-systolic conditions