A 20yearold patient with sickle cell disease is brought to the emergency department with an acute sickle cell crisis. This episode includes chest pain, shortness of breath, fever and wheezing. Treatment for this patient should include all of the following EXCEPT:

A 7yearold child is brought to the emergency department by his parents with complaint of headache, neck stiffness and fever. His parents report that he seemingly recovered from measles about 7 days ago. The diagnosis is likely to be

Common physiological findings with CHF include all of the following EXCEPT:

Mrs. F, 86, is brought into the ED by her daughter with reports of dull abdominal pain x 3 days. She states she has had "thin" stools for the 3 days before the onset of her abdominal pain. She has not been passing much flatus in the last three days. She states she feels weaker and more lethargic. An IV is established, O2 and cardiac monitor are placed. Labs have been sent. Her bowel sounds are absent. The nurse should suspect:

A 65yearold man presents to the emergency department with complaint of painless visual disturbances including loss of central vision, photopsia, "floaters" and shadows in his vision. The most important intervention for this patient is to: