Patients must have a dobutamine stress ECHO, or exercise cardiac MUGA, or exercise ECHO scan prior to entry and must fulfill certain criteria to be eligible. The spirit of the criteria are to rule out organic heart disease. [clinicaltrials_resource:5b1d45a7cf8c15ced1991000836e366b]

Patients must have a dobutamine stress ECHO, or exercise cardiac MUGA, or exercise ECHO scan prior to entry and must fulfill certain criteria to be eligible. The spirit of the criteria are to rule out organic heart disease. [clinicaltrials_resource:5b1d45a7cf8c15ced1991000836e366b]