CASE 68 A 24-year-old man was brought to a local hospital emergency department because of severe pain and swelling that had developed in his left thigh that day. The pain…

CASE 45 A 54-year-old woman presented to her family physician complaining of abdominal pain that had been worsening for the past 2 weeks. She stated that it often improved immediately…

CASE 77 A 36-year-old man was brought to the hospital for complaints of persistent high fever, dry cough, and worsening shortness of breath for a week. He had been diagnosed…

CASE 65 A 31-year-old white man was brought in to the emergency department (ED) of a general hospital with the complaints of fever and visual hallucinations. Four days before his…

CASE 47 A 25-year-old man presented to a hospital clinic with a 2-week history of sustained diarrhea (three to five bowel movements per day), nausea, flatulence, and lack of appetite….

CASE 69 A 66-year-old white man underwent surgery for colon carcinoma, and 2 days later he experienced severe pain at the surgical wound site. Within several hours, local edema and…

CASE 39 A 31-year-old man returned to the United States in late summer from a 3-week-long trip to Bangladesh. On the second day after his return, he presented with sudden,…

CASE 38 A 75-year-old man experienced the acute onset of severe abdominal cramps. Later in the morning, watery diarrhea occurring every 15 to 30 minutes developed, initially with small amounts…

CASE 36 A 41-year-old white man was brought to the emergency department with a 3-day history of shaking chills, high fever, headache, abdominal pain, and generalized weakness. Mild diarrhea had…

CASE 66 A 9-day-old female newborn was taken to a hospital by her parents, who reported a 10-hour history of an inability to nurse and difficulty in opening her jaw….