Effusion in the pericardial cavityTags: Cardiac sonography(Echocardiography), Medison Sonoace R7, Images, Video, Clinical report, Pediatric Posts 15:25 11-08-2017 Effusion in the pericardial cavity#1 Child 1 month at the screening. In the apical 4-chamber view above the right ventricle a free fluid up to 4-5 mm thick is visualized, under the left ventricle, a layer of fluid up to 2 mm. external link :: attachments(3) :::: file 1 :::: file 2 :::: file 3 :: HTML5 video plugin not supported!