A 45-year- old man is noted to have a blood pressure of 80/40 mm Hg, heart rate 142 bpm, and fever of 102°F. His abdomen is tender, particularly in the right lower quadrant, and acute appendicitis is diagnosed. Three liters of 0.9% saline is infused and intravenous antibiotics are administered as he is prepared for surgery.

His blood pressure falls to 70/42 mm Hg. *This patient case is from Docplexus Editorial Team for educative purpose only. Source: Case Files Internal Medicine