Aortography with the long catheter needle.
The addition of side holes to the Teflon catheter used for translumbar aortography results in improved flow of contrast material and good visualization of the aorta and brachiocephalic vessels. Details of the technique and precautions for safe use are discussed.
D001027:Aortography / Q000295:instrumentation* / Q000379:methods; D002404:Catheterization / Q000295:instrumentation* / Q000379:methods; D006801:Humans; D009339:Needles