Which of the following statements concerning cardiovascular physiology in a healthy term neonate is true?
Which of the following pre-existing conditions predisposes to new-onset third-degree heart block during pulmonary artery catheterization?
Which of the following statements concerning autonomic hyperreflexia after spinal cord transection is true?
A 26-year-old man who sustained multiple trauma undergoes open reduction and internal fixation of bilateral tibial-fibular fractures during anesthesia with isoflurane. nitrous oxide, and oxygen with positive pressure ventilation. During the procedure, the patient has sudden onset of hypotension, jugular venous distention, deviation of the trachea to the right, and decreased ventilatory compliance. Isoflurane is discontinued and 100% oxygen is administered. Which of the following is the most appropriate next step in management?
A 70-kg, 77-year-old man Is undergoing left nephrectomy with nitrous oxide, oxygen, fentanyl, and midazolam anesthesia. He has a 90 pack-year history of cigarette smoking and has chronic obstructive pulmonary disease. One hour after incision, expiratory wheezing occurs and peak Inspiratory pressure increases from 35 to 65 cmH20; end-tidal PCO2 is unchanged, but SpO2 decreases from 97% to 88%. The most likely cause is
Which of the following inhalational anesthetics best relieves left ventricular outflow obstruction in a patient with hypertrophic obstructive cardiomyopathy (IHSS)?
Which of the following is the most likely sequela of interscalene brachial plexus block?
A 35-kg child requires mechanical ventilation with pure oxygen at a tidal volume of 350 ml and a rate of 20/min during a severe asthma attack. The most likely cause of severe hypotension after initiating mechanical ventilation is
The two E oxygen cylinders on an anesthesia machine have pressure readings of 1100 psi each. At an oxygen flow of 3 L/min, there will be sufficient oxygen for approximately
Following protamine administration, profound pulmonary hypertension is most likely initiated by release of