Which of the following is most reliable for treatment of cerebral artery vasospasm associated with subarachnoid hemorrhage?
(A) Antifibrinolytic therapy
(B) Hyperventilation
(C) Mannitol infusion
(D) Nitroprusside infusion
(E) Volume expansion
E
A patient develops urticaria and pruritus while receiving a blood transfusion in the PACU. Blood pressure and heart rate are unchanged from pretransfusion values. The most appropriate action is administration of
A patient receiving mechanical ventilation with oxygen 60% postoperatively has a PaO2 of 160 mmHg and a PaCO2 of 38 mmHg. One hour later, with mechanical ventilation unchanged, the PaO2 is 150 mmHg and PaCO2 is 48 mmHg. The most likely cause of these changes is
A 16-year-old patient who sustained trauma is being resuscitated. In deciding whether to infuse lactated Ringer's solution or albumin, which of the following is true?
(A) At one hour, both will remain in the intravascular compartment to an equal extent
(B) Both have zero risk for hepatitis transmission
(C) Both will decrease ionized calcium levels
(D) The glomerular filtration rate will be higher with infusion of albumin
(E) Lactated Ringer's solution causes a greater increase in intracranial pressure
B
A patient becomes flushed, dyspneic, and hypotensive during transfusion of 1 unit of packed red blood cells in the PACU. After discontinuing the transfusion, the most appropriate next step is administration of