Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow Absent or Reversed End Diastolic Flow