An infant is delivered by forceps following labor in which variable decelerations were noted. Amniotic fluid was clear. Initial evaluation shows a cyanotic, limp infant with a heart rate of 80 bpm, poor respiratory efforts, and grimacing in response to suctioning. The most appropriate method of resuscitation for this newborn is
(A) vigorous tactile stimulation
(B) bag and mask ventilation with oxygen
(C) immediate endotracheal intubation
(D) administration of sodium bicarbonate 1 mEq/kg
(E) volume expansion with normal saline solution 10 mL/kg
A 26-year-old woman has persistent uterine bleeding following a normal spontaneous delivery without anesthesia. The uterus is firm on manual examination. Which of the following anesthetics is most appropriate for manual extraction of the placenta?
(A) Halothane
(B) Pudendal block with lidocaine
(C) Subarachnoid tetracaine
(D) Thiopental
(E) Vecuronium
A
The condition LEAST likely to be associated with sustained pain relief following a nerve block is
Each of the following conditions is a cause of agitation in a patient following transurethral resection of the prostate EXCEPT
(A) bladder distention
(B) glycine absorption
(C) inadequate analgesia
(D) serum sodium concentration of 127 mEq/L
(E) systolic pressure of 60 mmHg
D
A 2-year-old child has cardiac arrest during an inguinal herniorrhaphy under general anesthesia administered during a Jackson-Rees system. The graph shows end-tidal PCO2 monitored from the tip of the endotracheal tube during cardiopulmonary resuscitation; minute ventilation is unchanged. Which of the following is the most likely cause of the change beginning at the arrow?