#If proper position of a pigtail catheter, fix the pigtail. If unsure, confirm location within the renal pelvis by injection of a few ml of contrast before fixation.*
#Confirm functionality by injection of a few ml of contrast, two projections from different directions, as well as aspiration of the contrast.*
#Fix Attach the catheter to the skin, preferably both directly at insertion as well as enough to the side to have a soft S-shaped bend of the catheter in order to give certain room for stretching without pulling out the catheter.
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