Nicole Nicholas, a middle-aged woman, is admitted to the cor…

Nicole Nicholas, a middle-aged woman, is admitted to the coronary intensive care unit with a diagnosis of left ventricular failure resulting from myocardial infarction. Her history indicated that she was aroused in the middle of the night by severe chest and left arm pain. Her skin is pale and cold, and moist sounds are heard over the lower regions of both lungs. Which of the following would be true regarding this woman’s signs and symptoms?