title: Difficult flotation of a pulmonary artery catheter: echocardiographic diagnosis.
authors.forename: A M
authors.initials: AM
authors.lastname: Safwat
mesh_terms: D002407:Catheterization, Swan-Ganz / Q000009:adverse effects*; D017548:Echocardiography, Transesophageal; D006801:Humans; D016343:Monitoring, Intraoperative; D014261:Tricuspid Valve / Q000000981:diagnostic imaging / Q000502:physiology