Patent Foramen Ovale: References

Warnes CA, Williams RG, Bashore TM, et al. ACC/AHA 2008 Guidelines for the management of adults with congenital heart disease: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (writing committee to develop guidelines on the management of adults with congenital heart disease). Circulation 2008; 118:e714.

Uncontrollable risk factors - patent foramen ovale (PFO). National Stroke Association. http://www.stroke.org/understand-stroke/preventing-stroke/uncontrollable-risk-factors?pagename=PFO. Accessed September 2017.

Patent foramen ovale (PFO). American heart Association. http://www.heart.org/HEARTORG/Conditions/More/CardiovascularConditionsofChildhood/Patent-Foramen-Ovale-PFO_UCM_469590_Article.jsp#.WbBJHGcm5Io. Updated March 29, 2017. Accessed September 2017.