The Non-Surgical Closure of Congenital Heart Defects

What is an “open foramen ovale”? The open foramen ovale medical abbreviation PFO for “patent foramen ovale”) is a usually small, only a few millimeter thick, membrane-covered slit in the septum between the atria of the heart. It is a remnant from human embryonic development that usually closes during the newborn period; however, in 10-25% of newborns a small opening remains that generally has no ill effect. The PFO is often discovered as a harmless incidental finding of an ultrasound examination (echocardiography). In 1897, J. Conheim described for the first time in medical literature that a PFO could cause a fatal stroke by means of a paradoxical embolism.

Fig. 2: By dilating a balloon catheter, the dimension of the PFO can be...
Fig. 2: By dilating a balloon catheter, the dimension of the PFO can be measured. The shadow at the top of the image shows the tip of the Multiplane TEE transducer.

This article was first published in the VISIONS, issue 07/2005, a publication of Toshiba Medical Systems


Read all latest stories

Related articles


Sponsored • Computed Tomography

Mobile Imaging Solutions: Clinical Confidence Anywhere

To bridge new equipment installations in radiology, temporary high workloads, or long-term additional capacity, Canon Medical provides mobile solutions according to customers’ needs and wishes.


Video • Redesign & refresh

Canon Medical updates Aplio ultrasound systems

Canon Medical announced the commercial launch of the Aplio i-series / Prism Edition, a complete redesign of its premium ultrasound series. In addition, Aplio a-series, Canon Medical’s…


Sponsored • All-in-one imaging trailer

Mobile solutions for the COVID-19 frontline

With public health issues continuing to make daily mainstream news headlines across the world, it is clear how much change the healthcare environment is going through. Not only are there existing…

Related products

Subscribe to Newsletter