A foramen ovale is a hole in the heart. The small hole naturally exists in babies who are still in the womb for fetal circulation. It should close soon after birth. If it doesn’t close, the condition ...

† New-onset migraine was noted in ten patients. ASD: Atrial septal defect; NA: Not assessed; NR: Not reported; PFO: Patent foramen ovale. The following arguments support the hypothesis that ...

A patent foramen ovale is an opening that some adults have between the top two chambers of their hearts. Everyone has this opening early in life, but it often seals during infancy. In some people, ...