What is characterized by multiple and chaotic electrical activities of the ventricles?

The angina patient states that he will walk down two flights of stairs to your vehicle. You know that walking may be harmful for the patient's condition. Your training has told you that the best way to carry the patient down the stairs is to:

A) use the stair chair. B) do a direct carry. C) perform the extremity carry. D) use a long backboard.

A patient with a mitral valve stenosis is most likely to have which of the following pulmonary artery occlusion pressure (PAOP) values?

a. 4 mm Hg b. 6 mm Hg c. 12 mm Hg d. 20 mm Hg