What features would lead one to suspect a PFO?

Correct statements
  • Unexplained ischaemic stroke at young age
  • Recent DVT
  • Prolonged immobility – long distance air travel, operation
  • Development of “the bends” (decompression sickness) during diving
  • Stroke occurring after straining (e.g lifting, defaecation)
Incorrect statements
  • Heart murmurs
  • Chest pains

Page last reviewed: 13 May 2020