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1 Scholar in Radiologic Research of the James Picker Foundation, NAS-NRC.;Assistant Professor, Department
of Radiology, The Johns Hopkins Hospital, Baltimore, Maryland.
The originally described technique for transfemoral right coronary artery catheterization has been modified.
Direct entry into the right coronary artery with a specially curved polyurethane catheter has proved less time consuming than the previously described indirect technique. The catheter design prevents dislodging and inadvertent advancement into the distal coronary artery during positioning of the patient.
The principles of catheter manipulation within the vascular system are reviewed.
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