A 74-year-old female complains of chest pains 2 days after an elective knee replacement. She is short of breath and nauseated. Her temperature is 99.0, blood pressure 100/60 mm Hg, heart rate 55 beats per minute, respirations 20 per minute. Her chest X-ray reveals pulmonary edema. Her ECG is below:
What would her mortality be based on the Killip Classification?