The wife of c.w., a 70-year-old man, brought him to the emergency

The wife of C.W., a 70-year-old man, brought him to the emergency department (ED) at 4:30 this morning. She told the ED triage nurse that he had had dysentery for the past 3 days, and, last night, he had a lot of “dark red” diarrhea. When he became very dizzy, disoriented, and weak this morning, she decided to bring him to the hospital. C.W.