title: Nonsurgical untangling of a multiple-coiled flow-directed catheter.
mesh_terms: D016121:Brachiocephalic Veins / Q000000981:diagnostic imaging; D006328:Cardiac Catheterization / Q000009:adverse effects* / Q000295:instrumentation / Q000379:methods; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography