title: Two-dimensional echocardiography as a diagnostic aid in central vein catheterization.
mesh_terms: D002404:Catheterization / Q000009:adverse effects; D004452:Echocardiography; D004617:Embolism / Q000175:diagnosis* / Q000209:etiology; D005260:Female; D006801:Humans; D008875:Middle Aged; D013350:Subclavian Vein