Eisenmenger syndrome

• Facts:
  Cardiac defect causes L to R shunt
  Over time, leads to pulmonary HTN and R to L reversal
  Results in irreversible pulmonary HTN and cyanosis
  Seen in older stages of life
• Treatment:
  Lung transplantation
  Repair of the responsible cardiac defect
• Associated With:
  Uncorrected VSD, ASD, and PDA