Inability to thread epidural catheter through epidural needle.
Seitman
D T
DT
Shapiro
B E
BE
D000767:Anesthesia, Epidural / Q000295:instrumentation*; D000773:Anesthesia, Obstetrical / Q000295:instrumentation*; D002404:Catheterization / Q000295:instrumentation*; D004868:Equipment Failure; D005260:Female; D006801:Humans; D009339:Needles; D011247:Pregnancy