SCMC Foramen Ovale Probe Patency s present in 50% of children 5 years old in more than 25% of adults Is a potential avenue for air emboli to enter the systemic circulation A patent Fo may be beneficial in certain heart malformations Patients who rely on the patency of the foramen require a balloon atrial septoplastyForamen Ovale ⚫ Probe Patency – Is present in 50% of children < 5 years old & in more than 25% of adults – Is a potential avenue for air emboli to enter the systemic circulation – A patent FO may be beneficial in certain heart malformations – Patients who rely on the patency of the foramen require a balloon atrial septoplasty