Patent Ductus Arteriosus (PDA)

Etiology

  • L to R shunting
  • Connection btwn aorta and pulm art which fails to close at birth
  • Can rarely manifest in adulthood if smaller, w/patholphysiology developing over time
  • Can be assoc w/ASD or VSD

Symptoms

  • Develop over years w/sob, doe

Physical Exam Findings

  • Continuous machine-like murmur at LUSB
  • Findings pulm htn from Eisenmengers physiol