Atrial septal aneurysm and patent foramen ovale are less prevalent in the Indo-Asian than in the Caucasian or Afro-Caribbean population.

Unlabelled: Atrial septal aneurysm (ASA) and patent foramen ovale (PFO) are not uncommon during routine echocardiographic scanning and were reported to be associated with stroke, transient ischemic attacks, and migrainous headache. To assess the prevalence of ASA and PFO according to ethnicity, we retrospectively studied 887 consecutive referrals to a General Cardiology and Hypertension clinics. All participants underwent trans-thoracic echocardiography (TTE).