Published in Surgery Litigation and Law Weekly, February 4th, 2005
A patent foramen ovale is a flap-like opening in the atrial septum that fails to close after birth in approximately 25%-30% of the population. Under certain circumstances, this flap-like opening may allow emboli to abnormally shunt from the right to the left atria, increasing the risk of ischemic stroke.
Several studies have demonstrated a significantly higher incidence of PFO in patients suffering from cryptogenic stroke (40%-50%), as compared to the...
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