Marco R. Di Tullio; Peter C. Block, M.D., F.A.C.C. However, the risk of first-ever stroke in asymptomatic subjects with PFO in the general population has not been clearly established. This ...

[31] Out of 1101 stroke-free individuals from Northern Manhattan undergoing transthoracic echocardiography, 15% of patients had a PFO and 16% of patients declared to have migraine. The mean age of ...

Patent foramen ovale (PFO) is an interatrial communication at the level of oval fossa caused by the incomplete or missed fusion of the septum primum and septum secundum after birth. PFO has a ...