Lower GI Bleed Risk Factors Flashcards
1
Q
Most common causes of lower GI bleed
A
- Diverticular - 20-65%
- Ischemic colitis 1-19%
- Angioectasia 3-15%
- Hemorrhoid 2-10%
- Colorectal cancer - up to 17%
Post polypectomy
2
Q
Hematochezia without abdominal pain
A
Diverticulosis
3
Q
Hematochezia with abdominal pain
Cardiovascular disease
Shock
A
Ischemic colitis
4
Q
Age > 70
Cardiovascular disease
Recurrent bleeding of variable severity
A
Angioectasias
AVMs
5
Q
Dripping blood with BMs
Hematochezia with normal BMs
A
Hemorrhoids
6
Q
Change in bowel habits
Weight loss
Subacute bleeding
Personal or family history of CRC
A
CRC
7
Q
Hx abdominal radiation
A
Radiation enteritis / colitis / proctitis
8
Q
Intestinal surgery with anastomoses
A
Anastomatic ulcer
9
Q
Hematochezia with anal pain
A
Anal fissure
