This is Dr. David
one is not more painful than the other.
you can have either radial catherization or femoral catheterization.
your doctors will put you out with an IV injection or propofol prior to the radial or femoral catheterizations.
your doctors will give you injections of fentanyl for pain as well for the procedure.
so you will not feel pain
you don't have to worry.
let me know if you have other questions.
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