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 ...

We thank Calcaterra et al for their thoughtful comments and for providing an embryological perspective on patent foramen ovale (PFO) and platypnoea-orthodeoxia syndrome in response to our editorial.1 ...

Patent foramen ovale is usually an incidental finding but can sometimes cause hypoxemia. Patent foramen ovale should be considered when the degree of hypoxemia is disproportionate to the underlying ...

Studies to date have shown an association between the presence of patent foramen ovale and cryptogenic stroke in patients younger than 55 years of age. This association has not been established in ...

A “dose-response” relationship may exist between migraine and patent foramen ovale (PFO), according to a review published in Frontiers in Neurology. According to the American Heart Association, a PFO ...

The foramen ovale is a tunnel-like anatomical structure located in the interatrial wall of the fetal heart that enables right-to-left shunting during fetal development. In the majority of people this ...

The options for secondary prevention of cryptogenic embolism in patients with patent foramen ovale are administration of antithrombotic medications or percutaneous closure of the patent foramen ovale.

Central retinal artery obstruction (CRAO) is uncommon in young adults, the mean age being 60 years. Emboli are visible in 25% of cases and embolic sources found in 40% of patients. 1 We present the ...

American model Hailey Bieber marked one year since she suffered a mini-stroke due to a small hole in her heart called Patent Foramen Ovale. The 26-year-old star released a video from last year that ...

A patent foramen ovale (PFO) is a hole in the heart that doesn’t close as expected after birth. Before a baby is born, they have a hole between the left and right sides of their heart. This hole, ...

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, ...

A patent foramen ovale or PFO is a defect in the wall between the two upper chambers of the heart. This defect is actually an incomplete closure of the atrial wall that results in a flap or valve-like ...