Transient decreases in respiratory rate following epidural injections.
D000767:Anesthesia, Epidural; D000777:Anesthetics / Q000494:pharmacology*; D002045:Bupivacaine / Q000494:pharmacology; D005041:Etidocaine / Q000494:pharmacology; D006801:Humans; D008875:Middle Aged; D012119:Respiration / Q000187:drug effects*
D000777:Anesthetics; D005041:Etidocaine; D002045:Bupivacaine