RT Journal Article SR Electronic A1 Dowell, Masha T1 New Study Reveals That TCD is Better Used to Detect PFO than TEE JF MD Conference Express YR 2014 FD SAGE Publications VO 14 IS 1 SP 15 OP 16 DO 10.1177/155989771401009 UL http://mdc.sagepub.com/content/14/1/15.abstract AB About 25% of the world's population has been reported to have patent foramen ovale (PFO) or symptoms related to it, and they are at a greater risk of paradoxical embolisms [Kent DM, Thaler DE. Stroke 2010; Homma S, Sacco RL. Circulation 2005]. This article presents new research that revealed that transcranial doppler (TCD) ultrasound is superior to transesophageal echocardiography (TEE) for the detection of PFOs associated with higher stroke risk.