Intracardiac Knotting of a Flow-Directed Balloon Catheter

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Abstract
To the Editor: With the introduction of the flow-directed balloon-tipped catheter,1 hemodynamic investigation of the severely ill patient has become so greatly facilitated that the rapid and reliable determination of right ventricular, pulmonary arterial or wedge pressures is now feasible with or without fluoroscopy. Although complications have been infrequent, we wish to call attention to the following complication, which, to our knowledge, has not previously been described — namely, intracardiac knotting of the Swan–Ganz catheter.A 48-year-old woman was admitted to the Myocardial Infarction Research Unit of the University of Chicago with a two-hour history of chest pain and T-wave . . .

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