title: [Experimental study on evacuation of the remaining gases in the cardiac cavity by echocardiography during open heart surgery].
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D006348:Cardiac Surgical Procedures / Q000009:adverse effects*; D002648:Child; D004285:Dogs; D004452:Echocardiography; D004618:Embolism, Air / Q000175:diagnosis* / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D007431:Intraoperative Complications / Q000517:prevention & control