A G2P1 woman at 39 weeks’ gestation is rushed to the hospital by her husband because she is in labor. She elects to have epidural anesthesia for the delivery. After injection of the anesthetic agent, the woman complains of palpitations and severe dizziness. ECG shows evidence of heart block. Upon investigation it is discovered that the resident did not ensure that the epidural needle did not pierce a vessel. Which of the following anesthetic agents was most likely administered for the procedure?
(A) Bupivacaine
(B) Fentanyl
© Halothane
(D) Ibuprofen
(E) Morphine