Patent foramen oval and ESUS in cryptogenic stroke: still a complex puzzle

Diana-Elena Iov^1,2, MD, Mariana Floria^1,3*, MD, PhD, Daniela Maria Tanase^1,3, MD, PhD

¹Faculty of Medicine, Department of Internal Medicine, University of Medicine and Pharmacy ”Grigore T. Popa”, 700111 Iasi, Romania.

²Emergency Clinical Hospital ”Saint Spiridon”, Institute of Gastroenterology and Hepatology, 700111 Iasi, Romania.

³Emergency Clinical Hospital ”Saint Spiridon”, Internal Medicine Clinic, 700111 Iasi, Romania.

Running title: Patent foramen oval related stroke