Which of the following patients is most at risk for hypovolemic shock after emergency surgery?

A) 14-year-old adolescent with gastroenteritis
B) 59-year-old patient with pneumonia
C) 12-year-old patient with H1N1 flu
D) 28-year-old patient with a fractured ankle

Hypovolemic Shock

A life-threatening condition resulting from a significant loss of blood or body fluids, leading to inadequate circulation and oxygen delivery to the body's tissues.

Emergency Surgery

Surgical procedures that are performed urgently to address acute health problems, which could be life-threatening if not treated immediately.

Gastroenteritis

An inflammation of the stomach and intestines, typically resulting from bacterial toxins or viral infection causing vomiting and diarrhea.