Ischemic Colitis

Question 1

What is ischemic colitis?

Answer 1

A condition characterized by inflammation and injury of the colon due to insufficient blood supply

It often presents with symptoms such as blood in the stool.

Question 2

What patient condition is commonly associated with ischemic colitis?

Answer 2

Cardiovascular disease (CVD)

Patients with CVD may have compromised blood flow, increasing the risk of ischemic events.

Question 3

Where do ischemic ulcers typically occur in the colon?

Answer 3

At watershed areas, specifically:
* Splenic flexure
* Rectosigmoid junction

These areas are particularly vulnerable to ischemia due to their blood supply.

Question 4

What can trigger ischemic colitis?

Answer 4

Can occur randomly or from inciting event such as recent AAA surgery

AAA stands for abdominal aortic aneurysm, and surgery can affect blood flow.

Question 5

How is ischemic colitis diagnosed?

Answer 5

With colonoscopy to visualize the ischemic ulcers

Colonoscopy allows for direct observation and assessment of the colon.

Question 6

Symptoms of ischemic colitis

Answer 6

Presents with crampy lower abdominal pain followed by bloody diarrhea after meals or exertion or in the heat. Fever and peritoneal signs suggest bowel necrosis.