Fig. 2From: Pediatric frequent relapsing nephrotic syndrome with multiple cerebral infarctions accompanied by patent foramen ovale and cerebral venous sinus thrombosis: a case reportTransesophageal echocardiography findings. The left figure showed a 1.5 mm slit-like defect, patent foramen ovale in the fossa ovalis, and right-to-left shunt blood flow (arrow) observed during the Valsalva maneuver. The right figure showed the microbubbles (circle) from the right to the left atrium during the Valsalva maneuver. RA, right atrium; LA, left atriumBack to article page