Selective catheter placement requires moving, manipulating, or guiding the catheter into an area of the arterial system other than the aorta or the access channel (i.e., into the branches), typically with the aid of a fluoroscope.
A catheter is inserted into a branch off the aorta or the access channel (rather than at or close to the origin). Different vascular families are represented by each of these vessels that emerge from the aorta or access channel. Typically, the urethra is used to introduce it into your bladder (the tube that carries urine out of your body). Typically, the sterile catheter is pre-lubricated to lessen the possibility of any discomfort during insertion. Typically, a doctor or nurse will place a urinary catheter. They can either be introduced through the urethral catheter, a tube that exits the bladder, or through a tiny hole drilled into the lower belly (suprapubic catheter).
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