 Because of the discrepancy between the left ventriculogram EF assessment and the echocardiographic EF assessment, I have discussed this matter with Dr. XYZ and we have decided to proceed with a repeat 2D echocardiogram. 
Because of the discrepancy between the left ventriculogram EF assessment and the echocardiographic EF assessment , I have discussed this matter with Dr. XYZ and we have decided to proceed with a repeat 2D echocardiogram .