How Is Diverticulitis Diagnosed?
Diverticulitis is suspected after a history and physical examination. A history of lower, left-sided abdominal pain is a clue. The physical exam often reveals a tender abdomen. Tightness of the abdominal muscles, called abdominal rigidity, suggests serious infection. The white blood cell count is often elevated. A test called a CT scan may be used to confirm the diagnosis. Because diverticula by themselves usually don’t cause problems, most people learn they have diverticulosis during routine screening examinations for colorectal cancer or during tests that check for other intestinal problems. Diverticulitis, on the other hand, is usually diagnosed during an acute attack. Your doctor is likely to examine your abdomen for tenderness. You may also have a blood test to check your white blood cell count and an imaging test such as a CT scan to help visualize the pouches that are inflamed or infected. A CT scan uses a series of computer-directed X-rays to provide a comprehensive view of you
